Seward County, KS — Planting Guide
What to do in July
If you only do a handful of things in the garden this July, make it these. They're sequenced around your zone's frost timing.
-
Harvest basil, carrots, and cucumber as they ripen
Don't tug. Use scissors or pruners for clean cuts — torn stems invite disease.
A few tasks this July that'll pay off in August
- First harvests: basil, cucumber, and green beans
- Fall sowing: carrots, kale, and lettuce
Seward County is in USDA Zone 6b. The average last spring frost is April 18 and the first fall frost is October 18, giving you a growing season of approximately 183 days.
At an elevation of 860 ft, Seward County receives approximately 24.1 in of rainfall annually. Summer highs average 89°F with winter lows around 20°F. The predominant soil type is Loam.
Based on 31 years of NOAA climate station data, the last frost date here varies by 33 days year to year — ranging from March 30 in warm years to May 3 in cold years. The growing season is trending shorter by about 0.53 days per decade. Seward County scores 62/100 (Good) on the Microclimate Index.
🌡️ Zone
6b (-5°F to 0°F min)
❄️ Last Frost
April 18
🍂 First Frost
October 18
📅 Growing Season
183 days
⛰️ Elevation
860 ft
🌧️ Annual Rainfall
24.1 in
Monthly Watering Calendar for Seward County
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
Why this matters: In humid climates, watering is usually about timing (morning, not evening, to prevent disease) more than volume. In dry climates, it's about depth (water deep, less often) more than frequency. Seward County's 24" annual tells you which side you're on.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 1.6 in | 6 days | — | None |
| Feb | 1.4 in | 5 days | — | None |
| Mar | 1.9 in | 8 days | 2.4 in | High |
| Apr | 2.6 in | 7 days | 1.7 in | High |
| May | 3 in | 6 days | 1.3 in | Moderate |
| Jun | 1.7 in | 5 days | 2.6 in | High |
| Jul | 1.9 in | 6 days | 2.4 in | High |
| Aug | 2.5 in | 7 days | 1.8 in | High |
| Sep | 2.1 in | 5 days | 2.2 in | High |
| Oct | 2.3 in | 5 days | 2 in | High |
| Nov | 1.7 in | 5 days | — | None |
| Dec | 1.4 in | 6 days | — | None |
Annual total: 24.1 in. Water needs vary by crop — tomatoes need ~1.2"/week while herbs like rosemary need only 0.3"/week. Check individual plant pages for crop-specific water budgets that factor in your county's rainfall and soil drainage.
Seward County Soil Profile
Soil Type
Loam
Soil pH
6.5-7.2
Drainage
Well Drained
Frost Risk Probability
Based on 31 years of NOAA weather station data from 3 stations
Beginners: Plant frost-sensitive crops (tomatoes, peppers, squash) after the "Safe" date on the left. Harvest or cover them before the "Protect by" date on the right. Hardy crops (lettuce, peas, kale) can go in the yellow transition zones.
How to read this table: "Conservative" means you're safe from frost 9 out of 10 years — best for beginners and frost-sensitive crops. "Average year" is the typical date. "Aggressive" means only 1 in 10 years is that warm — experienced gardeners with frost protection can try these dates.
| Planting Strategy | Last Spring Frost | First Fall Frost | Frost-Free Days |
|---|---|---|---|
| Conservative (safest) | May 3 | Nov 2 | 183 days |
| Cautious | Apr 26 | Oct 23 | 180 days |
| Average year | Apr 18 | Oct 18 | 183 days |
| Optimistic | Apr 13 | Oct 14 | 184 days |
| Aggressive (risky) | Mar 30 | Oct 4 | 188 days |
Not very — frost dates can vary by ±33 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.
Slightly — seasons are trending a bit shorter (0.5 days/decade). Stay conservative with planting dates.
Gardening Difficulty Score
Seward County offers good growing conditions. A little planning around frost dates goes a long way.
Local Gardening Help in Seward County
Free expert help is closer than you think. Your county's cooperative extension office connects you with trained gardeners, soil testing labs, and local programs — all specific to Seward County's climate and soil.
County Extension Office
Seward County Kansas State University Extension Extension Office
Phone: 785-532-5820
Visit Extension Office Website →
Extension offices are run by land-grant universities and funded by the USDA. Their advice is free, research-based, and tailored to your county's specific conditions.
Master Gardener Program
Free gardening help from trained volunteers
Master Gardeners are community volunteers who complete 40–60 hours of university horticultural training. They answer gardening questions, diagnose plant problems, and offer workshops — all free.
Many extension offices run a Master Gardener hotline where you can call or email with photos of plant problems for free diagnosis.
Soil Testing
Available through your extension office
Before amending your soil, get it tested. Your extension office offers soil testing (typically $10–$25) that tells you exact pH, nutrient levels, and amendment recommendations specific to what you want to grow.
Services Available in Seward County
Finding local nurseries & garden centers in Seward County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Seward County's soil and climate that big-box stores can't. Plants from local growers are typically hardier because they're already acclimated to your zone.
How to Find Them
Search for "nurseries near Seward County KS" or "garden center Seward County" on Google Maps. Also check with your extension office — they often maintain lists of reputable local nurseries and plant sales.
Community gardens & gardening groups
Community gardens are a great way to learn from experienced gardeners in your area, especially if you're limited on space. Search "community garden Seward County KS" or check your extension office and local parks department. Facebook groups like "Seward County Gardeners" or "Kansas Gardening" are also excellent for local advice and plant swaps.
What to Plant After Your Harvest
After your first crops finish, use the remaining frost-free days to grow a second round.
Show 6 more succession options
Sunlight & Day Length in Seward County
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
The practical takeaway: Day length triggers flowering in many crops. Some need short days (sweet potatoes), some long (most flowers), and some are day-neutral (most modern tomatoes). Seward County's latitude determines which varieties fit your beds.
Longest Day
14.5 hours
Summer solstice daylight
Shortest Day
9.5 hours
Winter solstice daylight
Peak Sun Hours
10.4 hr/day peak (summer)
Peak sun hours (green dashed line below) account for cloud cover — this is the usable direct sunlight your garden actually receives. Most vegetables need 6+ peak sun hours.
Onion tip: Your long summer days (14+ hours) support long-day onion varieties like Walla Walla, Sweet Spanish, and Ailsa Craig.
View detailed monthly data
| Month | Daylight Hours | Peak Sun Hours | Day Length |
|---|---|---|---|
| January | 9.7 hr | 5.3 hr | Short day |
| February | 10.6 hr | 5.9 hr | Short day |
| March | 11.7 hr | 7.2 hr | Short day |
| April | 13 hr | 7.8 hr | Neutral |
| May | 14 hr | 8.5 hr | Long day |
| June | 14.5 hr | 9.9 hr | Long day |
| July | 14.3 hr | 10.4 hr | Long day |
| August | 13.4 hr | 9.3 hr | Neutral |
| September | 12.2 hr | 8.5 hr | Neutral |
| October | 11 hr | 6.8 hr | Short day |
| November | 10 hr | 5.8 hr | Short day |
| December | 9.5 hr | 5.3 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting in Seward County
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
What this means for you: Soil temperature is a leading indicator. A black plastic mulch can warm soil 5-10°F faster than bare ground — meaningful in Seward County's spring if you're trying to plant tomatoes earlier.
Plant Warm Crops When
Soil reaches 60°F+
Soil warm enough from May through Oct.
Best Month to Compost
Jun
Microbial activity peaks when soil is warm.
Active Composting
8 months
Nearly year-round composting.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 31°F | 38°F | ❄️ Dormant | ~36 weeks |
| Feb | 33°F | 37°F | ❄️ Dormant | ~36 weeks |
| Mar | 39°F | 43°F | ❄️ Dormant | ~36 weeks |
| Apr | 52°F | 51°F | ♻️ Active | ~14 weeks |
| May | 65°F | 59°F | ♻️ Active | ~14 weeks |
| Jun | 74°F | 70°F | 🔥 Peak | ~8 weeks |
| Jul | 80°F | 76°F | 🔥 Peak | ~8 weeks |
| Aug | 83°F | 79°F | 🔥 Peak | ~8 weeks |
| Sep | 77°F | 74°F | 🔥 Peak | ~8 weeks |
| Oct | 65°F | 66°F | 🔥 Peak | ~8 weeks |
| Nov | 50°F | 54°F | ♻️ Active | ~14 weeks |
| Dec | 39°F | 45°F | ❄️ Dormant | ~36 weeks |
Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.
Pest & Disease Pressure in Seward County
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
Why it matters: Pollinators are the good bugs. Pest pressure is the bad bugs. Seward County's climate makes both more abundant in warm humid regions, and rarer in cold dry ones — plan habitat to encourage the good while managing the bad.
Insect Pest Pressure
Moderate — common pests appear but manageable with monitoring.
Disease Risk
Low disease risk — dry conditions reduce fungal problems.
Seasonal Risk
View 6 common pests in your area
| Pest | Risk Level | Peak Months |
|---|---|---|
| Aphids | High | Apr, May, Jun, Jul, Aug, Sep |
| Japanese beetles | Moderate | Jun, Jul, Aug |
| Squash vine borers | Moderate | Jun, Jul |
| Tomato hornworms | Moderate | Jun, Jul, Aug |
| Cucumber beetles | Moderate | May, Jun, Jul |
| Stink bugs | Low | Jun, Jul, Aug, Sep |
Organic pest management tips
- Maintain healthy soil with regular compost additions to build natural pest resistance
- Practice crop rotation annually to break pest cycles
- Encourage beneficial insects with flowering herbs like dill, fennel, and yarrow
Cover Crops for Seward County
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
The practical takeaway: Cover crops are the experienced gardener's secret weapon. Seward County's climate determines which species thrive: clover and vetch in mild winters, cereal rye and Austrian peas in cold ones.
Spring Cover Crops (3 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Apr 22 | Aug 16 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Sorghum-sudan grass | Apr 20 | Aug 9 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Mar 21 | Aug 9 | ✓ Yes | Living mulch, fixes nitrogen, permanent ground cover |
Summer Cover Crops (1 options) — Fill gaps and suppress weeds between plantings
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Sunflowers | May 7 | Sep 27 | — | Deep roots break compaction, attract pollinators and beneficial insects |
Fall Cover Crops (7 options) — Plant after harvest to protect soil over winter
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Austrian winter peas | Aug 11 | Apr 4 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Crimson clover | Aug 9 | Apr 4 | ✓ Yes | Fixes nitrogen, attracts pollinators in spring |
| Daikon radish | Sep 7 | Mar 28 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Aug 3 | Mar 28 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Sep 16 | Apr 4 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Jul 15 | Apr 4 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Jul 26 | Apr 4 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Seward County
The practical takeaway: Plants lose water through tiny leaf pores. Wind accelerates that loss dramatically — a 15 mph day can double a calm day's irrigation need. Seward County's 11.2 mph background wind is something to design around, not against. Windbreaks made of perennial shrubs save more water than any drip system.
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 16 mph Summer: 11 mph
Fall: 14 mph Winter: 14 mph
Prevailing wind: S. Windy area — plant a windbreak hedge on the S side of your garden.
Windbreak Benefit
6.8/10
Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.
Frost Pocket Risk
Low
Relatively flat terrain (256 ft range). Frost pocket risk is minimal — garden placement is flexible.
Rainwater Harvesting in Seward County
How much water you can collect, when to collect it, and what size system you need for your garden.
For new gardeners: Captured rainwater is better for plants than tap water (no chlorine), works during water restrictions, and reduces stormwater runoff. Seward County's 24" annual rainfall is a meaningful pool — most homes could capture 10,000+ gallons a year with a decent system.
Annual Collection
12,011 gal
Per 1,000 sq ft of roof area (at 80% collection efficiency)
Recommended Setup
7 rain barrels (55 gal each)
For a typical 500 sq ft garden. Serious collectors: consider a 1,750 gal tank.
Legal Status
Unrestricted
Rainwater harvesting is fully legal in your state with no restrictions.
Best Collection Months
Apr, May, Aug, Oct
Highest rainfall months — your barrels will fill up quickly during these months.
Months to Draw From Storage
Jan, Feb, Dec
Dry months when you'll rely on stored water — size your storage for this gap.
Rainwater collection tips for your area
- Your county receives approximately 24.1 inches of rain per year
- A 1,000 sq ft roof can collect roughly 12,011 gallons annually
- Rainwater harvesting is fully legal in your state
- Stock up on stored water before your dry season (Jan, Feb, Dec)
- Use a first-flush diverter to keep roof debris out of your collection
Soil & Growing Conditions in Seward County
Soil Type
Loam
Soil pH 6.5–7.2 · Well Drained drainage
Native soil is well-suited to most vegetables and herbs with regular compost additions.
Watering Needs
Drought stress: 7.5/10
High drought stress. Consistent irrigation is essential — consider drip systems, heavy mulch, and drought-tolerant varieties.
Season Tips
183-day frost-free season
Plenty of time for warm-season crops. Start heat-lovers indoors 6–8 weeks before last frost to maximise your harvest window.
Your Free Printable Garden Planner
Plan every bed, every planting, every harvest — in one place. This 22-page printable includes your zone's planting calendar, a month-by-month task list, a seed inventory tracker, a harvest log, and succession-planting charts. Built to print, write in, and actually use all season.
Recommended for Your Garden
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Get instant, accurate soil pH readings to fine-tune your amendments.
Boost soil fertility and structure with rich, well-aged organic compost.
🥬 Vegetables to Grow in Seward County
107 vegetables that grow well in Zone 6b with planting dates for Seward County.
Show all 107 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Mar 14 | Apr 25 | May 2 | — | Jul 25 – Aug 29 | 80–100 |
| Amaranth | Feb 21 | Apr 25 | May 2 | — | Aug 1 – Sep 19 | 90–120 |
| Arugula | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 23 – Jul 25 | 30–50 |
| Asparagus | — | — | May 2 | — | — | 730–1095 |
| Beets | — | Apr 4 | — | Aug 9 | May 30 – Jun 27 | 50–70 |
| Belgian Endive | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Aug 8 – Oct 3 | 110–150 |
| Bitter Melon | Feb 21 | Apr 25 | May 2 | — | Jul 4 – Aug 15 | 60–90 |
| Black Beans | — | Apr 25 | — | — | Jul 25 – Sep 12 | 90–120 |
| Bok Choy | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 30 – Jul 4 | 40–60 |
| Broccoli | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 20 – Aug 1 | 60–90 |
| Broccoli Rabe | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 30 – Jul 4 | 40–60 |
| Brussels Sprouts | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jul 18 – Sep 12 | 90–130 |
| Butternut Squash | Mar 14 | Apr 25 | May 2 | — | Aug 1 – Sep 5 | 85–110 |
| Cabbage | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 20 – Aug 15 | 60–100 |
| Calabash | Feb 21 | Apr 25 | May 2 | — | Jul 25 – Sep 19 | 80–120 |
| Carrots | — | Apr 4 | — | Aug 9 | Jun 6 – Jul 11 | 60–80 |
| Cauliflower | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 13 – Aug 15 | 55–100 |
| Celeriac | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Aug 1 – Sep 5 | 100–120 |
| Celery | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jul 11 – Sep 5 | 80–120 |
| Celtuce | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 20 – Aug 1 | 60–90 |
| Chard | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 13 – Aug 1 | 50–60 |
| Chickpeas | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jul 11 – Aug 22 | 80–110 |
| Chicory | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 20 – Aug 1 | 60–85 |
| Chinese Cabbage | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 13 – Jul 11 | 50–70 |
| Christmas Lima Beans | Feb 21 | Apr 25 | May 2 | — | Jul 25 – Aug 29 | 80–100 |
| Collard Greens | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 13 – Aug 15 | 55–75 |
| Corn | — | Apr 25 | — | — | Jun 27 – Aug 22 | 60–100 |
| Cowpeas | — | Apr 25 | — | — | Jun 27 – Aug 8 | 60–90 |
| Cress | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 2 – May 23 | 14–21 |
| Crookneck Squash | Mar 14 | Apr 25 | May 2 | — | Jun 20 – Jul 18 | 45–60 |
| Crosne | — | Apr 4 | — | Aug 9 | Sep 5 – Oct 17 | 150–200 |
| Cucumber | Mar 14 | Apr 25 | May 2 | — | Jun 27 – Aug 22 | 50–70 |
| Daikon | — | Apr 4 | — | Aug 9 | May 30 – Jun 27 | 50–70 |
| Delicata Squash | Mar 14 | Apr 25 | May 2 | — | Jul 25 – Aug 29 | 80–100 |
| Edamame | — | Apr 25 | — | — | Jul 11 – Aug 22 | 75–100 |
| Eggplant | Feb 7 | Apr 25 | May 2 | — | Jul 11 – Sep 12 | 65–85 |
| Endive | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 6 – Jul 11 | 45–65 |
| Escarole | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 13 – Jul 11 | 50–70 |
| Fava Beans | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jul 4 – Aug 15 | 75–100 |
| Fennel | Feb 21 | Apr 25 | May 2 | — | Jul 4 – Aug 15 | 60–90 |
| Garlic | — | — | — | Sep 6 | Dec 6 – Mar 21 | 90–240 |
| Green Beans | — | Apr 25 | — | — | Jun 20 – Aug 15 | 50–65 |
| Horseradish | — | — | May 2 | — | Sep 5 – Nov 14 | 120–180 |
| Hot Peppers | Feb 7 | Apr 25 | May 2 | — | Jul 11 – Oct 17 | 70–120 |
| Hubbard Squash | Mar 14 | Apr 25 | May 2 | — | Aug 15 – Sep 19 | 100–120 |
| Kabocha | Mar 14 | Apr 25 | May 2 | — | Aug 1 – Aug 29 | 85–100 |
| Kai Lan | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 6 – Jul 4 | 45–60 |
| Kale | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 13 – Aug 8 | 50–70 |
| Kidney Beans | — | Apr 25 | — | — | Jul 25 – Aug 29 | 85–110 |
| Kohlrabi | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 6 – Jul 11 | 45–65 |
| Komatsuna | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 23 – Jun 27 | 35–50 |
| Leeks | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jul 18 – Oct 3 | 90–150 |
| Lentils | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jul 11 – Aug 22 | 80–110 |
| Lettuce | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 23 – Aug 1 | 30–60 |
| Lima Beans | — | Apr 25 | — | — | Jun 27 – Aug 8 | 60–90 |
| Loofah | Feb 21 | Apr 25 | May 2 | — | Aug 15 – Oct 17 | 100–150 |
| Luffa | Feb 21 | Apr 25 | May 2 | — | Aug 1 – Oct 17 | 90–150 |
| Mache | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 30 – Jul 4 | 40–60 |
| Melon | Mar 14 | Apr 25 | May 2 | — | Jul 11 – Aug 29 | 70–100 |
| Microgreens | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Apr 25 – May 23 | 7–21 |
| Mitsuba | Mar 14 | Apr 4 | Apr 11 | Aug 9 | Jun 6 – Aug 1 | 50–70 |
| Mizuna | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 23 – Jun 20 | 30–45 |
| Mustard Greens | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 23 – Jul 25 | 30–50 |
| Napa Cabbage | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 13 – Jul 18 | 55–75 |
| New Zealand Spinach | Feb 21 | Apr 25 | May 2 | — | Jun 27 – Jul 25 | 55–70 |
| Okra | Feb 21 | Apr 25 | May 2 | — | Jun 27 – Aug 22 | 50–65 |
| Onion | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jul 18 – Sep 5 | 90–120 |
| Pac Choi | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 30 – Jun 27 | 40–55 |
| Parsnip | — | Apr 4 | — | Aug 9 | Jul 18 – Aug 29 | 100–130 |
| Patty Pan Squash | Mar 14 | Apr 25 | May 2 | — | Jun 20 – Jul 18 | 45–60 |
| Peas | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 13 – Aug 8 | 55–70 |
| Peppers | Feb 7 | Apr 25 | May 2 | — | Jul 4 – Sep 12 | 60–90 |
| Pole Beans | Feb 21 | Apr 25 | May 2 | — | Jun 27 – Aug 22 | 55–70 |
| Potatoes | Feb 21 | Apr 25 | May 2 | — | Jul 11 – Sep 19 | 70–120 |
| Pumpkin | Mar 14 | Apr 25 | May 2 | — | Aug 1 – Sep 19 | 85–120 |
| Purslane | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 30 – Jul 4 | 40–60 |
| Radicchio | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 20 – Jul 25 | 60–80 |
| Radish | — | Apr 4 | — | Aug 9 | May 2 – May 23 | 22–35 |
| Rhubarb | — | — | May 9 | — | — | 365–730 |
| Romanesco | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jul 4 – Aug 15 | 75–100 |
| Rutabaga | — | Apr 4 | — | Aug 9 | Jun 27 – Aug 1 | 80–100 |
| Salsify | — | Apr 4 | — | Aug 9 | Jul 18 – Aug 29 | 100–130 |
| Savoy Cabbage | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 27 – Aug 22 | 70–110 |
| Scallions | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 13 – Jul 11 | 50–70 |
| Scarlet Runner Beans | Feb 21 | Apr 25 | May 2 | — | Jul 4 – Aug 8 | 60–80 |
| Shallot | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jul 18 – Sep 5 | 90–120 |
| Shiso | Feb 28 | Apr 25 | May 2 | — | Jun 27 – Aug 22 | 50–70 |
| Snap Peas | Feb 21 | Apr 25 | May 2 | — | Jun 27 – Aug 22 | 55–70 |
| Snow Peas | Mar 14 | Apr 4 | Apr 18 | Aug 9 | Jun 13 – Aug 8 | 50–65 |
| Soybeans | — | Apr 25 | — | — | Jul 18 – Sep 12 | 80–120 |
| Spaghetti Squash | Mar 14 | Apr 25 | May 2 | — | Aug 1 – Aug 29 | 85–100 |
| Spinach | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 23 – Jul 25 | 35–50 |
| Squash (Summer) | Mar 14 | Apr 25 | May 2 | — | Jun 20 – Aug 22 | 45–65 |
| Squash (Winter) | Mar 14 | Apr 25 | May 2 | — | Jul 25 – Sep 19 | 80–120 |
| Sunchoke | — | — | May 2 | — | Aug 22 – Oct 17 | 110–150 |
| Sweet Corn | — | Apr 25 | — | — | Jun 27 – Aug 8 | 60–90 |
| Sweet Potatoes | Feb 21 | Apr 25 | May 2 | — | Aug 1 – Sep 19 | 90–120 |
| Tatsoi | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 23 – Jun 27 | 35–50 |
| Tomatillo | Feb 21 | Apr 25 | May 2 | — | Jul 4 – Sep 12 | 60–85 |
| Tomatoes | Feb 21 | Apr 25 | May 2 | — | Jul 4 – Sep 12 | 60–85 |
| Turnip | — | Apr 4 | — | Aug 9 | May 16 – Jun 20 | 40–60 |
| Watercress | Mar 14 | Apr 4 | Apr 18 | Aug 9 | May 30 – Jul 4 | 40–60 |
| Watermelon | Mar 14 | Apr 25 | May 2 | — | Jul 11 – Aug 29 | 70–100 |
| Wax Beans | — | Apr 25 | — | — | Jun 20 – Aug 15 | 50–65 |
| Winter Melon | Feb 21 | Apr 25 | May 2 | — | Aug 1 – Sep 19 | 90–120 |
| Yard Long Beans | Feb 21 | Apr 25 | May 2 | — | Jun 27 – Aug 8 | 55–80 |
| Zucchini | Mar 14 | Apr 25 | May 2 | — | Jun 20 – Aug 15 | 45–60 |
🍓 Fruits to Grow in Seward County
27 fruits that grow well in Zone 6b with planting dates for Seward County.
Show all 27 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | May 9 | — | Aug 8 – Nov 21 | 90–180 |
| Aronia | — | — | May 9 | — | — | 730–1095 |
| Blackberries | — | — | May 9 | — | — | 365–730 |
| Blueberries | — | — | May 9 | — | — | 730–1095 |
| Boysenberries | — | — | May 9 | — | — | 365–730 |
| Cantaloupe | — | — | May 9 | — | Jul 18 – Aug 22 | 70–90 |
| Che Fruit | — | — | May 9 | — | — | 1095–1825 |
| Cranberries | — | — | May 9 | — | — | 730–1095 |
| Currants | — | — | May 9 | — | — | 730–1095 |
| Elderberries | — | — | May 9 | — | — | 730–1095 |
| Goji Berries | — | — | May 9 | — | — | 730–1095 |
| Gooseberries | — | — | May 9 | — | — | 730–1095 |
| Grapes | — | — | May 9 | — | — | 730–1095 |
| Ground Cherry | — | — | May 9 | — | Jul 18 – Sep 12 | 65–80 |
| Hardy Kiwi | — | — | May 9 | — | — | 1095–1825 |
| Haskaps | — | — | May 9 | — | — | 730–1095 |
| Honeydew | — | — | May 9 | — | Aug 1 – Sep 12 | 80–110 |
| Jostaberry | — | — | May 9 | — | — | 730–1095 |
| Lingonberries | — | — | May 9 | — | — | 730–1095 |
| Medlar | — | — | May 9 | — | — | 1095–1825 |
| Mulberries | — | — | May 9 | — | — | 730–1825 |
| Pawpaw | — | — | May 9 | — | — | 1095–2555 |
| Persimmon | — | — | May 9 | — | — | 1095–2555 |
| Quince | — | — | May 9 | — | — | 1095–1825 |
| Raspberries | — | — | May 9 | — | — | 365–730 |
| Serviceberries | — | — | May 9 | — | — | 730–1095 |
| Strawberries | — | — | May 9 | — | Aug 8 – Nov 21 | 90–365 |
🌿 Herbs to Grow in Seward County
35 herbs that grow well in Zone 6b with planting dates for Seward County.
Show all 35 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Mar 14 | Apr 4 | Apr 11 | Aug 9 | — | 365–730 |
| Anise | Mar 14 | Apr 4 | Apr 11 | Aug 9 | Jul 11 – Sep 26 | 90–120 |
| Basil | Feb 28 | Apr 25 | May 2 | — | Jun 27 – Aug 29 | 50–75 |
| Bee Balm | — | — | Apr 25 | — | Jul 25 – Oct 10 | 90–120 |
| Borage | Mar 14 | Apr 4 | Apr 11 | Aug 9 | Jun 6 – Jul 25 | 50–60 |
| Caraway | Mar 14 | Apr 4 | Apr 11 | Aug 9 | — | 365–450 |
| Catnip | — | — | Apr 25 | — | Jun 27 – Aug 29 | 60–80 |
| Chamomile | Mar 14 | Apr 4 | Apr 11 | Aug 9 | Jun 13 – Aug 22 | 60–90 |
| Chervil | Mar 14 | Apr 4 | Apr 11 | Aug 9 | May 23 – Jul 25 | 40–60 |
| Chives | — | — | Apr 25 | — | Jun 27 – Sep 5 | 60–90 |
| Cilantro | Mar 14 | Apr 4 | Apr 11 | Aug 9 | May 23 – Jul 25 | 40–60 |
| Comfrey | — | — | Apr 25 | — | Jun 27 – Sep 5 | 60–90 |
| Cumin | Mar 14 | Apr 4 | Apr 11 | Aug 9 | Jul 25 – Sep 26 | 100–120 |
| Dill | Mar 14 | Apr 4 | Apr 11 | Aug 9 | May 23 – Jul 25 | 40–60 |
| Epazote | Feb 28 | Apr 25 | May 2 | — | Jun 20 – Aug 15 | 45–60 |
| Fennel (herb) | Mar 14 | Apr 4 | Apr 11 | Aug 9 | Jun 13 – Aug 22 | 60–90 |
| Feverfew | — | — | Apr 25 | — | Jul 25 – Oct 10 | 90–120 |
| Garlic Chives | — | — | Apr 25 | — | Jun 27 – Sep 5 | 60–90 |
| Horehound | — | — | Apr 25 | — | Jul 11 – Sep 5 | 75–90 |
| Hyssop | — | — | Apr 25 | — | Jul 4 – Sep 5 | 70–90 |
| Lemon Balm | — | — | Apr 25 | — | Jun 27 – Aug 15 | 60–70 |
| Lemon Thyme | — | — | Apr 25 | — | Jul 4 – Sep 5 | 70–90 |
| Lovage | — | — | Apr 25 | — | Jul 4 – Sep 5 | 70–90 |
| Marjoram | — | — | Apr 25 | — | Jun 27 – Sep 5 | 60–90 |
| Mint | — | — | Apr 25 | — | Jun 27 – Sep 5 | 60–90 |
| Oregano | — | — | Apr 25 | — | Jun 27 – Sep 5 | 60–90 |
| Parsley | Mar 14 | Apr 4 | Apr 11 | Aug 9 | Jun 13 – Aug 15 | 60–80 |
| Rue | — | — | Apr 25 | — | Jul 4 – Sep 5 | 70–90 |
| Sage | — | — | Apr 25 | — | Jul 11 – Sep 5 | 75–90 |
| Savory | — | — | Apr 25 | — | Jun 20 – Aug 15 | 50–70 |
| Sorrel | Mar 14 | Apr 4 | Apr 11 | Aug 9 | May 23 – Jul 25 | 40–60 |
| Tarragon | — | — | Apr 25 | — | Jun 27 – Sep 5 | 60–90 |
| Thai Basil | Feb 28 | Apr 25 | May 2 | — | Jun 27 – Aug 29 | 50–75 |
| Thyme | — | — | Apr 25 | — | Jul 4 – Sep 5 | 70–90 |
| Valerian | — | — | Apr 25 | — | Aug 29 – Nov 7 | 120–180 |
🌸 Flowers to Grow in Seward County
53 flowers that grow well in Zone 6b with planting dates for Seward County.
Show all 53 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Feb 28 | Apr 18 | Apr 18 | — | Jun 13 – Sep 26 | 60–75 |
| Alliums | — | — | — | Sep 6 | Oct 4 – Nov 1 | 28–42 |
| Anemones | Mar 21 | — | Apr 18 | — | May 16 – Jun 13 | 90–120 |
| Astilbe | Feb 14 | — | Apr 25 | — | Jul 4 – Sep 12 | 70–100 |
| Bachelor's Button | Mar 7 | Mar 21 | Apr 18 | Sep 6 | Jun 20 – Sep 12 | 60–90 |
| Begonias | Feb 7 | — | Apr 25 | — | Jul 4 – Oct 10 | 70–90 |
| Black-eyed Susan | Feb 14 | Apr 18 | Apr 25 | — | Jul 11 – Oct 31 | 60–80 |
| Bleeding Hearts | Feb 14 | — | Apr 25 | — | Jun 20 – Jul 25 | 60–90 |
| Calendula | Mar 7 | Mar 21 | Apr 18 | — | Jun 6 – Sep 12 | 50–70 |
| California Poppy | — | Mar 21 | — | — | May 30 – Jul 25 | 60–90 |
| Celosia | Mar 14 | Apr 25 | Apr 25 | — | Jun 27 – Oct 17 | 60–90 |
| Columbine | Feb 14 | Apr 25 | Apr 25 | — | Jun 20 – Jul 25 | 70–100 |
| Coreopsis | Feb 14 | Apr 18 | Apr 25 | — | Jul 4 – Oct 31 | 60–80 |
| Cosmos | Mar 21 | Apr 18 | Apr 18 | — | Jun 27 – Oct 10 | 60–90 |
| Crocus | — | — | — | Sep 6 | Jul 26 – Aug 16 | 10–20 |
| Daffodils | — | — | — | Sep 6 | Aug 2 – Aug 23 | 20–40 |
| Dahlias | Mar 21 | Apr 25 | Apr 25 | — | Jul 11 – Oct 31 | 70–120 |
| Daylily | Feb 14 | — | Apr 25 | — | Jul 11 – Oct 31 | 60–90 |
| Dianthus | Feb 21 | Mar 21 | Mar 28 | — | May 16 – Aug 15 | 60–80 |
| Echinacea (Purple Coneflower) | Feb 14 | Apr 25 | Apr 25 | — | Jul 11 – Oct 31 | 70–90 |
| Foxglove | Feb 14 | Apr 25 | Apr 25 | — | Jun 20 – Jul 25 | 80–120 |
| Gaillardia (Blanket Flower) | Feb 28 | Apr 25 | Apr 25 | — | Jul 4 – Nov 7 | 70–100 |
| Geraniums | Feb 7 | — | Apr 25 | — | Jul 4 – Oct 10 | 70–100 |
| Gladiolus | — | Apr 18 | Apr 18 | — | Jul 4 – Oct 24 | 70–100 |
| Hostas | Feb 7 | — | Apr 25 | — | Jul 11 – Oct 31 | 60–90 |
| Hyacinths | — | — | — | Sep 6 | Aug 23 – Sep 13 | 14–28 |
| Hydrangeas | Feb 7 | — | Apr 25 | — | Jul 4 – Oct 17 | 90–150 |
| Impatiens | Feb 21 | — | Apr 25 | — | Jul 4 – Oct 17 | 60–75 |
| Irises | — | Division | Apr 25 | — | Jun 20 – Jul 18 | 60–100 |
| Larkspur | — | Mar 21 | — | — | May 30 – Jul 25 | 60–90 |
| Lavender | Feb 7 | — | May 2 | — | Jul 11 – Sep 5 | 90–120 |
| Lilies | — | Division | Apr 25 | — | Jul 4 – Oct 10 | 70–120 |
| Lobelia | Feb 14 | — | Apr 4 | — | May 30 – Aug 22 | 70–80 |
| Lupine | Feb 14 | Apr 25 | Apr 25 | — | Jun 20 – Jul 25 | 75–100 |
| Marigolds | Mar 7 | Apr 18 | Apr 18 | — | Jun 13 – Sep 19 | 50–70 |
| Nasturtium | Mar 21 | Apr 18 | Apr 18 | — | Jun 13 – Oct 10 | 55–65 |
| Pansy | Feb 7 | — | Apr 18 | Aug 23 | Jun 13 – Aug 22 | 70–90 |
| Peonies | — | Division | Apr 25 | — | Jun 27 – Aug 1 | 90–120 |
| Petunia | Feb 21 | — | Apr 25 | — | Jul 4 – Oct 17 | 70–90 |
| Phlox | Feb 14 | Apr 25 | Apr 25 | — | Jul 4 – Sep 26 | 80–110 |
| Portulaca | Mar 14 | Apr 25 | Apr 25 | — | Jun 13 – Oct 3 | 50–70 |
| Ranunculus | Mar 7 | — | Apr 18 | — | May 23 – Jun 20 | 90–120 |
| Roses | Feb 7 | — | Apr 25 | — | Jul 4 – Oct 31 | 90–180 |
| Salvia | Feb 14 | — | Apr 18 | — | Jun 27 – Oct 10 | 70–90 |
| Sedum (Stonecrop) | Feb 14 | — | Apr 25 | — | Aug 15 – Nov 7 | 60–90 |
| Snapdragon | Feb 7 | Mar 28 | Apr 18 | — | Jun 27 – Sep 12 | 70–100 |
| Sunflower | Mar 28 | Apr 18 | Apr 18 | — | Jul 11 – Oct 10 | 70–100 |
| Sweet Alyssum | Mar 7 | Mar 28 | Apr 18 | — | May 30 – Aug 15 | 45–60 |
| Sweet Pea | Mar 7 | Mar 14 | Apr 18 | — | Jul 4 – Sep 12 | 65–85 |
| Tulips | — | — | — | Sep 13 | Aug 23 – Sep 20 | 15–30 |
| Vinca (Annual) | Feb 7 | — | Apr 25 | — | Jul 4 – Oct 17 | 70–90 |
| Yarrow | Feb 14 | Apr 18 | Apr 25 | — | Jul 4 – Oct 31 | 60–90 |
| Zinnia | Mar 21 | Apr 18 | Apr 18 | — | Jun 27 – Oct 3 | 60–70 |
Monthly Planting Guide for Seward County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Seward County.
Frequently Asked Questions
What planting zone is Seward County, KS?
Seward County is in USDA Hardiness Zone 6b. This zone classification determines which perennial plants survive winter and sets the baseline for frost timing across the county.
When is the last frost in Seward County, KS?
Based on 31 years of NOAA weather station data, the median last spring frost in Seward County falls around April 18. In 8 out of 10 years, last frost lands between March 30 and May 3 — a 33-day window of variability. Use May 3 as your conservative safe-to-plant date for frost-sensitive crops.
When is the first fall frost in Seward County, KS?
The median first fall frost in Seward County arrives around October 18. In cold years it can arrive as early as October 4; in mild years as late as November 2. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
How long is the growing season in Seward County?
Seward County has a frost-free growing season of approximately 183 days. This is enough time for most warm-season crops including tomatoes, peppers, and squash with proper timing. Climate records show the growing season is trending shorter by about 0.53 days per decade.
What is the soil like in Seward County for gardening?
Seward County has predominantly Loam soil with a pH range of 6.5–7.2 and Well Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.
What is grown commercially in Seward County?
Seward County has commercial agriculture that includes Corn, Wheat, Soybeans, Cattle, Sorghum. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.
Is Seward County a good location for home gardening?
Seward County scores 62/100 (Good) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. Conditions here are moderate — most common crops grow well with standard timing and care.
Your Seward County Garden Planner — Free
A 22-page printable planner built for Seward County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.
The Gardener's Encyclopedia to Companion Planting
The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.
- Proven pairings for 200+ vegetables, herbs, flowers, and fruits
- Full seed-starting + planting schedule with timing and spacing
- Bonus: square-foot gardening guide + printable seasonal planners
Seed Saving & Storage Guide
Most saved seeds go bad before next season. This shows exactly when to pick, how to dry, and where to store seeds from 200 plants so yours don't.
- 200 plants, step-by-step: life cycle, pollination type, isolation
- Exact temperature + humidity ranges that keep seeds viable
- Bonus: searchable Google Sheets tracker + custom GPT assistant
Composting Guide for Homesteaders
Turn kitchen scraps and yard waste into compost that actually feeds the garden — instead of a pile that smells, attracts pests, and never breaks down.
- 14 sections on composting methods, soil science, and troubleshooting
- The 7-step hot-compost system from start to finish
- Bonus tools: troubleshooting chart, safety guide, monitoring log