Gladstone, IL — Planting Guide for June
Free PDF, personalized for your town's frost dates & climate. Drop your email — we'll send the link.
June in Henderson County, Illinois — your action list
Each item below is timed to Henderson County, Illinois's frost dates and soil temperatures. Skip nothing, stress about nothing.
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Start basil, peppers, and pole beans indoors
Bottom-water once the first true leaves appear — it keeps stems dry and knocks back damping-off.
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Basket week: basil, carrots, and cucumber
Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.
July will be here before you know it — start on
- First harvests: basil, carrots, and cucumber
Gladstone gardens in a maritime climate — mild wet winters, cool dry summers (38" annual rainfall, most of it October to April). Cool-season crops like peas, lettuce, kale, and brassicas thrive almost year-round. The challenge is summer heat: long-season warm-weather crops (full-size tomatoes, peppers, melons) need every bit of summer sun, so prioritize short-season varieties, use dark mulches to warm the soil, and reserve your warmest microclimates (south-facing walls, near pavement) for the tender stuff.
Soils trend Silt Loam — the gold standard for vegetables. Add 2–3" of compost annually to maintain it and you'll outgrow most of your neighbors.
Drought pressure is moderate (19.8 weeks/year on average). Mulching and drip irrigation pay for themselves quickly.
🌡️ USDA Zone
6a (-10°F to -5°F min)
❄️ Avg. Last Frost
April 17
🍂 Avg. First Frost
October 17
📅 Growing Season
183 days
🌧️ Climate
Moderate 37.5" annual
💨 Wind
Moderate 8.4 mph avg
🥶 Frost Tier
Regular 0% frost-free years
🏜️ Drought
19.8 wk/yr trend stable
📍 ZIP Codes
1 ZIP
Monthly Watering Calendar for Gladstone
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
Quick context: Plants need different amounts of water at different growth stages — heavy at flowering and fruit-set, lighter at establishment. Gladstone's 38" annual rainfall is your starting math; the timing tells you when natural rain will cover you and when you need to step in.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 1.6 in | 9 days | — | None |
| Feb | 1.9 in | 7 days | — | None |
| Mar | 2.7 in | 9 days | — | None |
| Apr | 3.9 in | 10 days | 0.4 in | Low |
| May | 4.4 in | 10 days | — | Low |
| Jun | 5.4 in | 10 days | — | Low |
| Jul | 4.6 in | 10 days | — | Low |
| Aug | 4.9 in | 8 days | — | Low |
| Sep | 3.3 in | 8 days | 1 in | Moderate |
| Oct | 3.5 in | 9 days | 0.8 in | Moderate |
| Nov | 3.2 in | 8 days | — | None |
| Dec | 2.1 in | 8 days | — | None |
Annual total: 41.5 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.
Gladstone Soil Profile
Soil Type
Silt Loam
Soil pH
5.7-7.3
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) | Apr 30 | Oct 31 | 184 days |
| Cautious | Apr 22 | Oct 27 | 188 days |
| Average year | Apr 17 | Oct 17 | 183 days |
| Optimistic | Apr 11 | Oct 11 | 183 days |
| Aggressive (risky) | Apr 5 | Oct 5 | 183 days |
Not very — frost dates can vary by ±25 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.
Yes — growing seasons are getting shorter here (about 1.8 days per decade). Use the "Conservative" dates and choose fast-maturing varieties.
Gardening Difficulty Score
Henderson County offers good growing conditions. A little planning around frost dates goes a long way.
Local Gardening Help in Henderson 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 Henderson County's climate and soil.
County Extension Office
Henderson County University of Illinois Extension Extension Office
Phone: 217-333-7672
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 Henderson County
Finding local nurseries & garden centers in Henderson County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Henderson 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 Henderson County IL" or "garden center Henderson 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 Henderson County IL" or check your extension office and local parks department. Facebook groups like "Henderson County Gardeners" or "Illinois 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 Gladstone
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
Why this matters: Plants use day length as their seasonal clock. Some crops flower when days lengthen (most flowers), some when days shorten (chrysanthemums, soybeans). Gladstone's curve is the timing layer beneath everything you grow.
Longest Day
14.9 hours
Summer solstice daylight
Shortest Day
9.1 hours
Winter solstice daylight
Peak Sun Hours
9.3 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 | 9.4 hr | 3.6 hr | Short day |
| February | 10.4 hr | 4.8 hr | Short day |
| March | 11.7 hr | 5.6 hr | Short day |
| April | 13.1 hr | 6.9 hr | Neutral |
| May | 14.3 hr | 8 hr | Long day |
| June | 14.9 hr | 9.3 hr | Long day |
| July | 14.7 hr | 9.3 hr | Long day |
| August | 13.6 hr | 8.7 hr | Neutral |
| September | 12.3 hr | 6.8 hr | Neutral |
| October | 10.9 hr | 5.6 hr | Short day |
| November | 9.7 hr | 3.9 hr | Short day |
| December | 9.1 hr | 3.5 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting in Gladstone
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
For new gardeners: Soil temperature predicts plant emergence better than calendar dates. Gladstone's spring soil warm-up curve tells you which weeks are safe for direct-sow beans, cucumbers, squash, and corn.
Plant Warm Crops When
Soil reaches 60°F+
Soil warm enough from Jun through Sep.
Best Month to Compost
Jun
Microbial activity peaks when soil is warm.
Active Composting
6 months
Solid season. Piles go dormant in winter.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 20°F | 32°F | ❄️ Dormant | ~36 weeks |
| Feb | 23°F | 29°F | ❄️ Dormant | ~36 weeks |
| Mar | 30°F | 34°F | ❄️ Dormant | ~36 weeks |
| Apr | 43°F | 44°F | 🐢 Slow | ~24 weeks |
| May | 56°F | 54°F | ♻️ Active | ~14 weeks |
| Jun | 68°F | 64°F | 🔥 Peak | ~8 weeks |
| Jul | 75°F | 71°F | 🔥 Peak | ~8 weeks |
| Aug | 78°F | 72°F | 🔥 Peak | ~8 weeks |
| Sep | 68°F | 69°F | 🔥 Peak | ~8 weeks |
| Oct | 57°F | 60°F | ♻️ Active | ~14 weeks |
| Nov | 43°F | 48°F | 🐢 Slow | ~24 weeks |
| Dec | 27°F | 39°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 Gladstone
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
Why it matters: In Gladstone's climate, pest pressure shapes which crops are easy and which are heartbreak. Tomatoes are easy in dry mountain air, hard in humid coast — same plant, completely different gardening experience.
Insect Pest Pressure
Moderate — common pests appear but manageable with monitoring.
Disease Risk
Moderate — watch for mildew and blight during wet periods.
Seasonal Risk
View 6 common pests in your area
| Pest | Risk Level | Peak Months |
|---|---|---|
| Aphids | Moderate | May, Jun, Jul, Aug |
| Japanese beetles | Moderate | Jun, Jul, Aug |
| Squash bugs | Low | Jun, Jul, Aug |
| Tomato hornworms | Moderate | Jul, Aug |
| Cabbage loopers | Low | May, Jun, Jul, Aug |
| Slugs | Low | Apr, May, Jun |
Organic pest management tips
- Use row covers on susceptible crops during peak pest months
- Apply neem oil preventatively every 7-14 days during active pest season
- Interplant with strong-scented herbs (basil, marigold) to confuse pests
- Hand-pick larger pests (beetles, caterpillars) in early morning when they're sluggish
- Practice crop rotation — never plant the same family in the same spot within 3 years
Cover Crops for Gladstone
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
Quick context: Why not just leave bare soil? Weed seeds, erosion, nutrient leaching, and crust formation. A cover crop solves all of these for the cost of seeds and one mowing.
Spring Cover Crops (3 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Apr 26 | Aug 22 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Sorghum-sudan grass | Apr 19 | Aug 15 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Mar 22 | Aug 15 | ✓ 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 10 | Sep 19 | — | Deep roots break compaction, attract pollinators and beneficial insects |
Fall Cover Crops (6 options) — Plant after harvest to protect soil over winter
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Austrian winter peas | Aug 13 | Mar 27 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Daikon radish | Sep 2 | Mar 27 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Jul 24 | Apr 3 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Sep 9 | Apr 3 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Jul 8 | Mar 27 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Jul 9 | Apr 3 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Gladstone
Why this matters: A 10 mph wind doesn't feel like much, but it triples leaf transpiration vs. still air. Gladstone's 8.4 mph average means most days are gentle on plants, but consider how a 20+ mph spring gust would affect a flat of seedlings hardened off too quickly.
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 11 mph Summer: 10 mph
Fall: 10 mph Winter: 12 mph
Prevailing wind: SW. Moderate wind — consider a temporary windbreak for young seedlings.
Windbreak Benefit
4.6/10
Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.
Frost Pocket Risk
Low
Relatively flat terrain (202 ft range). Frost pocket risk is minimal — garden placement is flexible.
Rainwater Harvesting in Gladstone
How much water you can collect, when to collect it, and what size system you need for your garden.
What this means for you: The first inch of rain washes the roof clean — a first-flush diverter sends it to waste before the barrel fills. Worth the extra $20 for cleaner garden water. Gladstone gets 38" annually, so you'll fill and flush many times per year.
Annual Collection
20,683 gal
Per 1,000 sq ft of roof area (at 80% collection efficiency)
Recommended Setup
6 rain barrels (55 gal each)
For a typical 500 sq ft garden. Serious collectors: consider a 1,500 gal tank.
Legal Status
Unrestricted
Rainwater harvesting is fully legal in your state with no restrictions.
Best Collection Months
May, Jun, Jul, Aug
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 41.5 inches of rain per year
- A 1,000 sq ft roof can collect roughly 20,683 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
🥬 Vegetables to Grow in Gladstone
107 vegetables matched to Zone 6a with planting dates calibrated for Gladstone.
Show all 107 vegetables with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Mar 13 | Apr 24 | May 1 | — | Jul 24 – Aug 28 | 80–100 |
| Amaranth | Feb 20 | Apr 24 | May 1 | — | Jul 31 – Sep 18 | 90–120 |
| Arugula | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 22 – Jul 24 | 30–50 |
| Asparagus | — | — | May 1 | — | — | 730–1095 |
| Beets | — | Apr 3 | — | Aug 8 | May 29 – Jun 26 | 50–70 |
| Belgian Endive | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Aug 7 – Oct 2 | 110–150 |
| Bitter Melon | Feb 20 | Apr 24 | May 1 | — | Jul 3 – Aug 14 | 60–90 |
| Black Beans | — | Apr 24 | — | — | Jul 24 – Sep 11 | 90–120 |
| Bok Choy | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 29 – Jul 3 | 40–60 |
| Broccoli | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 19 – Jul 31 | 60–90 |
| Broccoli Rabe | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 29 – Jul 3 | 40–60 |
| Brussels Sprouts | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jul 17 – Sep 11 | 90–130 |
| Butternut Squash | Mar 13 | Apr 24 | May 1 | — | Jul 31 – Sep 4 | 85–110 |
| Cabbage | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 19 – Aug 14 | 60–100 |
| Calabash | Feb 20 | Apr 24 | May 1 | — | Jul 24 – Sep 18 | 80–120 |
| Carrots | — | Apr 3 | — | Aug 8 | Jun 5 – Jul 10 | 60–80 |
| Cauliflower | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 12 – Aug 14 | 55–100 |
| Celeriac | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jul 31 – Sep 4 | 100–120 |
| Celery | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jul 10 – Sep 4 | 80–120 |
| Celtuce | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 19 – Jul 31 | 60–90 |
| Chard | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 12 – Jul 31 | 50–60 |
| Chickpeas | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jul 10 – Aug 21 | 80–110 |
| Chicory | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 19 – Jul 31 | 60–85 |
| Chinese Cabbage | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 12 – Jul 10 | 50–70 |
| Christmas Lima Beans | Feb 20 | Apr 24 | May 1 | — | Jul 24 – Aug 28 | 80–100 |
| Collard Greens | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 12 – Aug 14 | 55–75 |
| Corn | — | Apr 24 | — | — | Jun 26 – Aug 21 | 60–100 |
| Cowpeas | — | Apr 24 | — | — | Jun 26 – Aug 7 | 60–90 |
| Cress | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 1 – May 22 | 14–21 |
| Crookneck Squash | Mar 13 | Apr 24 | May 1 | — | Jun 19 – Jul 17 | 45–60 |
| Crosne | — | Apr 3 | — | Aug 8 | Sep 4 – Oct 16 | 150–200 |
| Cucumber | Mar 13 | Apr 24 | May 1 | — | Jun 26 – Aug 21 | 50–70 |
| Daikon | — | Apr 3 | — | Aug 8 | May 29 – Jun 26 | 50–70 |
| Delicata Squash | Mar 13 | Apr 24 | May 1 | — | Jul 24 – Aug 28 | 80–100 |
| Edamame | — | Apr 24 | — | — | Jul 10 – Aug 21 | 75–100 |
| Eggplant | Feb 6 | Apr 24 | May 1 | — | Jul 10 – Sep 11 | 65–85 |
| Endive | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 5 – Jul 10 | 45–65 |
| Escarole | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 12 – Jul 10 | 50–70 |
| Fava Beans | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jul 3 – Aug 14 | 75–100 |
| Fennel | Feb 20 | Apr 24 | May 1 | — | Jul 3 – Aug 14 | 60–90 |
| Garlic | — | — | — | Sep 5 | Dec 5 – Mar 20 | 90–240 |
| Green Beans | — | Apr 24 | — | — | Jun 19 – Aug 14 | 50–65 |
| Horseradish | — | — | May 1 | — | Sep 4 – Nov 13 | 120–180 |
| Hot Peppers | Feb 6 | Apr 24 | May 1 | — | Jul 10 – Oct 16 | 70–120 |
| Hubbard Squash | Mar 13 | Apr 24 | May 1 | — | Aug 14 – Sep 18 | 100–120 |
| Kabocha | Mar 13 | Apr 24 | May 1 | — | Jul 31 – Aug 28 | 85–100 |
| Kai Lan | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 5 – Jul 3 | 45–60 |
| Kale | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 12 – Aug 7 | 50–70 |
| Kidney Beans | — | Apr 24 | — | — | Jul 24 – Aug 28 | 85–110 |
| Kohlrabi | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 5 – Jul 10 | 45–65 |
| Komatsuna | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 22 – Jun 26 | 35–50 |
| Leeks | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jul 17 – Oct 2 | 90–150 |
| Lentils | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jul 10 – Aug 21 | 80–110 |
| Lettuce | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 22 – Jul 31 | 30–60 |
| Lima Beans | — | Apr 24 | — | — | Jun 26 – Aug 7 | 60–90 |
| Loofah | Feb 20 | Apr 24 | May 1 | — | Aug 14 – Oct 16 | 100–150 |
| Luffa | Feb 20 | Apr 24 | May 1 | — | Jul 31 – Oct 16 | 90–150 |
| Mache | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 29 – Jul 3 | 40–60 |
| Melon | Mar 13 | Apr 24 | May 1 | — | Jul 10 – Aug 28 | 70–100 |
| Microgreens | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Apr 24 – May 22 | 7–21 |
| Mitsuba | Mar 13 | Apr 3 | Apr 10 | Aug 8 | Jun 5 – Jul 31 | 50–70 |
| Mizuna | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 22 – Jun 19 | 30–45 |
| Mustard Greens | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 22 – Jul 24 | 30–50 |
| Napa Cabbage | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 12 – Jul 17 | 55–75 |
| New Zealand Spinach | Feb 20 | Apr 24 | May 1 | — | Jun 26 – Jul 24 | 55–70 |
| Okra | Feb 20 | Apr 24 | May 1 | — | Jun 26 – Aug 21 | 50–65 |
| Onion | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jul 17 – Sep 4 | 90–120 |
| Pac Choi | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 29 – Jun 26 | 40–55 |
| Parsnip | — | Apr 3 | — | Aug 8 | Jul 17 – Aug 28 | 100–130 |
| Patty Pan Squash | Mar 13 | Apr 24 | May 1 | — | Jun 19 – Jul 17 | 45–60 |
| Peas | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 12 – Aug 7 | 55–70 |
| Peppers | Feb 6 | Apr 24 | May 1 | — | Jul 3 – Sep 11 | 60–90 |
| Pole Beans | Feb 20 | Apr 24 | May 1 | — | Jun 26 – Aug 21 | 55–70 |
| Potatoes | Feb 20 | Apr 24 | May 1 | — | Jul 10 – Sep 18 | 70–120 |
| Pumpkin | Mar 13 | Apr 24 | May 1 | — | Jul 31 – Sep 18 | 85–120 |
| Purslane | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 29 – Jul 3 | 40–60 |
| Radicchio | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 19 – Jul 24 | 60–80 |
| Radish | — | Apr 3 | — | Aug 8 | May 1 – May 22 | 22–35 |
| Rhubarb | — | — | May 8 | — | — | 365–730 |
| Romanesco | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jul 3 – Aug 14 | 75–100 |
| Rutabaga | — | Apr 3 | — | Aug 8 | Jun 26 – Jul 31 | 80–100 |
| Salsify | — | Apr 3 | — | Aug 8 | Jul 17 – Aug 28 | 100–130 |
| Savoy Cabbage | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 26 – Aug 21 | 70–110 |
| Scallions | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 12 – Jul 10 | 50–70 |
| Scarlet Runner Beans | Feb 20 | Apr 24 | May 1 | — | Jul 3 – Aug 7 | 60–80 |
| Shallot | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jul 17 – Sep 4 | 90–120 |
| Shiso | Feb 27 | Apr 24 | May 1 | — | Jun 26 – Aug 21 | 50–70 |
| Snap Peas | Feb 20 | Apr 24 | May 1 | — | Jun 26 – Aug 21 | 55–70 |
| Snow Peas | Mar 13 | Apr 3 | Apr 17 | Aug 8 | Jun 12 – Aug 7 | 50–65 |
| Soybeans | — | Apr 24 | — | — | Jul 17 – Sep 11 | 80–120 |
| Spaghetti Squash | Mar 13 | Apr 24 | May 1 | — | Jul 31 – Aug 28 | 85–100 |
| Spinach | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 22 – Jul 24 | 35–50 |
| Squash (Summer) | Mar 13 | Apr 24 | May 1 | — | Jun 19 – Aug 21 | 45–65 |
| Squash (Winter) | Mar 13 | Apr 24 | May 1 | — | Jul 24 – Sep 18 | 80–120 |
| Sunchoke | — | — | May 1 | — | Aug 21 – Oct 16 | 110–150 |
| Sweet Corn | — | Apr 24 | — | — | Jun 26 – Aug 7 | 60–90 |
| Sweet Potatoes | Feb 20 | Apr 24 | May 1 | — | Jul 31 – Sep 18 | 90–120 |
| Tatsoi | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 22 – Jun 26 | 35–50 |
| Tomatillo | Feb 20 | Apr 24 | May 1 | — | Jul 3 – Sep 11 | 60–85 |
| Tomatoes | Feb 20 | Apr 24 | May 1 | — | Jul 3 – Sep 11 | 60–85 |
| Turnip | — | Apr 3 | — | Aug 8 | May 15 – Jun 19 | 40–60 |
| Watercress | Mar 13 | Apr 3 | Apr 17 | Aug 8 | May 29 – Jul 3 | 40–60 |
| Watermelon | Mar 13 | Apr 24 | May 1 | — | Jul 10 – Aug 28 | 70–100 |
| Wax Beans | — | Apr 24 | — | — | Jun 19 – Aug 14 | 50–65 |
| Winter Melon | Feb 20 | Apr 24 | May 1 | — | Jul 31 – Sep 18 | 90–120 |
| Yard Long Beans | Feb 20 | Apr 24 | May 1 | — | Jun 26 – Aug 7 | 55–80 |
| Zucchini | Mar 13 | Apr 24 | May 1 | — | Jun 19 – Aug 14 | 45–60 |
🍓 Fruits to Grow in Gladstone
27 fruits matched to Zone 6a with planting dates calibrated for Gladstone.
Show all 27 fruits with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | May 8 | — | Aug 7 – Nov 20 | 90–180 |
| Aronia | — | — | May 8 | — | — | 730–1095 |
| Blackberries | — | — | May 8 | — | — | 365–730 |
| Blueberries | — | — | May 8 | — | — | 730–1095 |
| Boysenberries | — | — | May 8 | — | — | 365–730 |
| Cantaloupe | — | — | May 8 | — | Jul 17 – Aug 21 | 70–90 |
| Che Fruit | — | — | May 8 | — | — | 1095–1825 |
| Cranberries | — | — | May 8 | — | — | 730–1095 |
| Currants | — | — | May 8 | — | — | 730–1095 |
| Elderberries | — | — | May 8 | — | — | 730–1095 |
| Goji Berries | — | — | May 8 | — | — | 730–1095 |
| Gooseberries | — | — | May 8 | — | — | 730–1095 |
| Grapes | — | — | May 8 | — | — | 730–1095 |
| Ground Cherry | — | — | May 8 | — | Jul 17 – Sep 11 | 65–80 |
| Hardy Kiwi | — | — | May 8 | — | — | 1095–1825 |
| Haskaps | — | — | May 8 | — | — | 730–1095 |
| Honeydew | — | — | May 8 | — | Jul 31 – Sep 11 | 80–110 |
| Jostaberry | — | — | May 8 | — | — | 730–1095 |
| Lingonberries | — | — | May 8 | — | — | 730–1095 |
| Medlar | — | — | May 8 | — | — | 1095–1825 |
| Mulberries | — | — | May 8 | — | — | 730–1825 |
| Pawpaw | — | — | May 8 | — | — | 1095–2555 |
| Persimmon | — | — | May 8 | — | — | 1095–2555 |
| Quince | — | — | May 8 | — | — | 1095–1825 |
| Raspberries | — | — | May 8 | — | — | 365–730 |
| Serviceberries | — | — | May 8 | — | — | 730–1095 |
| Strawberries | — | — | May 8 | — | Aug 7 – Nov 20 | 90–365 |
🌿 Herbs to Grow in Gladstone
35 herbs matched to Zone 6a with planting dates calibrated for Gladstone.
Show all 35 herbs with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Mar 13 | Apr 3 | Apr 10 | Aug 8 | — | 365–730 |
| Anise | Mar 13 | Apr 3 | Apr 10 | Aug 8 | Jul 10 – Sep 25 | 90–120 |
| Basil | Feb 27 | Apr 24 | May 1 | — | Jun 26 – Aug 28 | 50–75 |
| Bee Balm | — | — | Apr 24 | — | Jul 24 – Oct 9 | 90–120 |
| Borage | Mar 13 | Apr 3 | Apr 10 | Aug 8 | Jun 5 – Jul 24 | 50–60 |
| Caraway | Mar 13 | Apr 3 | Apr 10 | Aug 8 | — | 365–450 |
| Catnip | — | — | Apr 24 | — | Jun 26 – Aug 28 | 60–80 |
| Chamomile | Mar 13 | Apr 3 | Apr 10 | Aug 8 | Jun 12 – Aug 21 | 60–90 |
| Chervil | Mar 13 | Apr 3 | Apr 10 | Aug 8 | May 22 – Jul 24 | 40–60 |
| Chives | — | — | Apr 24 | — | Jun 26 – Sep 4 | 60–90 |
| Cilantro | Mar 13 | Apr 3 | Apr 10 | Aug 8 | May 22 – Jul 24 | 40–60 |
| Comfrey | — | — | Apr 24 | — | Jun 26 – Sep 4 | 60–90 |
| Cumin | Mar 13 | Apr 3 | Apr 10 | Aug 8 | Jul 24 – Sep 25 | 100–120 |
| Dill | Mar 13 | Apr 3 | Apr 10 | Aug 8 | May 22 – Jul 24 | 40–60 |
| Epazote | Feb 27 | Apr 24 | May 1 | — | Jun 19 – Aug 14 | 45–60 |
| Fennel (herb) | Mar 13 | Apr 3 | Apr 10 | Aug 8 | Jun 12 – Aug 21 | 60–90 |
| Feverfew | — | — | Apr 24 | — | Jul 24 – Oct 9 | 90–120 |
| Garlic Chives | — | — | Apr 24 | — | Jun 26 – Sep 4 | 60–90 |
| Horehound | — | — | Apr 24 | — | Jul 10 – Sep 4 | 75–90 |
| Hyssop | — | — | Apr 24 | — | Jul 3 – Sep 4 | 70–90 |
| Lemon Balm | — | — | Apr 24 | — | Jun 26 – Aug 14 | 60–70 |
| Lemon Thyme | — | — | Apr 24 | — | Jul 3 – Sep 4 | 70–90 |
| Lovage | — | — | Apr 24 | — | Jul 3 – Sep 4 | 70–90 |
| Marjoram | — | — | Apr 24 | — | Jun 26 – Sep 4 | 60–90 |
| Mint | — | — | Apr 24 | — | Jun 26 – Sep 4 | 60–90 |
| Oregano | — | — | Apr 24 | — | Jun 26 – Sep 4 | 60–90 |
| Parsley | Mar 13 | Apr 3 | Apr 10 | Aug 8 | Jun 12 – Aug 14 | 60–80 |
| Rue | — | — | Apr 24 | — | Jul 3 – Sep 4 | 70–90 |
| Sage | — | — | Apr 24 | — | Jul 10 – Sep 4 | 75–90 |
| Savory | — | — | Apr 24 | — | Jun 19 – Aug 14 | 50–70 |
| Sorrel | Mar 13 | Apr 3 | Apr 10 | Aug 8 | May 22 – Jul 24 | 40–60 |
| Tarragon | — | — | Apr 24 | — | Jun 26 – Sep 4 | 60–90 |
| Thai Basil | Feb 27 | Apr 24 | May 1 | — | Jun 26 – Aug 28 | 50–75 |
| Thyme | — | — | Apr 24 | — | Jul 3 – Sep 4 | 70–90 |
| Valerian | — | — | Apr 24 | — | Aug 28 – Nov 6 | 120–180 |
🌸 Flowers to Grow in Gladstone
53 flowers matched to Zone 6a with planting dates calibrated for Gladstone.
Show all 53 flowers with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Feb 27 | Apr 17 | Apr 17 | — | Jun 12 – Sep 18 | 60–75 |
| Alliums | — | — | — | Sep 5 | Oct 3 – Oct 31 | 28–42 |
| Anemones | Mar 20 | — | Apr 17 | — | May 22 – Jun 19 | 90–120 |
| Astilbe | Feb 13 | — | Apr 24 | — | Jul 3 – Sep 11 | 70–100 |
| Bachelor's Button | Mar 6 | Mar 20 | Apr 17 | Sep 5 | Jun 19 – Sep 4 | 60–90 |
| Begonias | Feb 6 | — | Apr 24 | — | Jul 3 – Oct 2 | 70–90 |
| Black-eyed Susan | Feb 13 | Apr 17 | Apr 24 | — | Jul 10 – Oct 23 | 60–80 |
| Bleeding Hearts | Feb 13 | — | Apr 24 | — | Jun 19 – Jul 24 | 60–90 |
| Calendula | Mar 6 | Mar 20 | Apr 17 | — | Jun 5 – Sep 4 | 50–70 |
| California Poppy | — | Mar 20 | — | — | May 29 – Jul 10 | 60–90 |
| Celosia | Mar 13 | Apr 24 | Apr 24 | — | Jun 26 – Oct 9 | 60–90 |
| Columbine | Feb 13 | May 1 | May 1 | — | Jun 26 – Jul 31 | 70–100 |
| Coreopsis | Feb 13 | Apr 24 | Apr 24 | — | Jul 3 – Oct 23 | 60–80 |
| Cosmos | Mar 20 | Apr 17 | Apr 17 | — | Jun 26 – Oct 2 | 60–90 |
| Crocus | — | — | — | Sep 5 | Jul 25 – Aug 15 | 10–20 |
| Daffodils | — | — | — | Sep 5 | Aug 1 – Aug 22 | 20–40 |
| Dahlias | Mar 20 | Apr 24 | Apr 24 | — | Jul 10 – Oct 23 | 70–120 |
| Daylily | Feb 13 | — | Apr 24 | — | Jul 10 – Oct 23 | 60–90 |
| Dianthus | Feb 20 | Mar 20 | Apr 3 | — | May 22 – Aug 21 | 60–80 |
| Echinacea (Purple Coneflower) | Feb 13 | May 1 | May 1 | — | Jul 24 – Oct 30 | 70–90 |
| Foxglove | Feb 13 | Apr 24 | Apr 24 | — | Jun 19 – Jul 24 | 80–120 |
| Gaillardia (Blanket Flower) | Feb 27 | Apr 24 | Apr 24 | — | Jul 3 – Nov 6 | 70–100 |
| Geraniums | Feb 6 | — | Apr 24 | — | Jul 3 – Oct 2 | 70–100 |
| Gladiolus | — | Apr 17 | Apr 17 | — | Jul 3 – Oct 16 | 70–100 |
| Hostas | Feb 6 | — | Apr 24 | — | Jul 10 – Oct 23 | 60–90 |
| Hyacinths | — | — | — | Sep 5 | Aug 22 – Sep 12 | 14–28 |
| Hydrangeas | Feb 6 | — | Apr 24 | — | Jul 3 – Oct 9 | 90–150 |
| Impatiens | Feb 20 | — | Apr 24 | — | Jul 3 – Oct 9 | 60–75 |
| Irises | — | Division | Apr 24 | — | Jun 19 – Jul 17 | 60–100 |
| Larkspur | — | Mar 20 | — | — | May 29 – Jul 24 | 60–90 |
| Lavender | Feb 6 | — | May 1 | — | Jul 10 – Sep 4 | 90–120 |
| Lilies | — | Division | Apr 24 | — | Jul 3 – Oct 9 | 70–120 |
| Lobelia | Feb 13 | — | Apr 3 | — | May 29 – Aug 21 | 70–80 |
| Lupine | Feb 13 | Apr 24 | Apr 24 | — | Jun 19 – Jul 24 | 75–100 |
| Marigolds | Mar 6 | Apr 24 | Apr 24 | — | Jun 19 – Sep 18 | 50–70 |
| Nasturtium | Mar 20 | Apr 24 | Apr 24 | — | Jun 19 – Oct 9 | 55–65 |
| Pansy | Feb 6 | — | Apr 17 | Aug 22 | Jun 12 – Aug 14 | 70–90 |
| Peonies | — | Division | Apr 24 | — | Jun 26 – Jul 31 | 90–120 |
| Petunia | Feb 20 | — | Apr 24 | — | Jul 3 – Oct 9 | 70–90 |
| Phlox | Feb 13 | Apr 24 | Apr 24 | — | Jul 3 – Sep 25 | 80–110 |
| Portulaca | Mar 13 | Apr 24 | Apr 24 | — | Jun 12 – Sep 25 | 50–70 |
| Ranunculus | Mar 6 | — | Apr 17 | — | May 29 – Jun 26 | 90–120 |
| Roses | Feb 6 | — | Apr 24 | — | Jul 3 – Oct 23 | 90–180 |
| Salvia | Feb 13 | — | Apr 24 | — | Jul 3 – Oct 9 | 70–90 |
| Sedum (Stonecrop) | Feb 13 | — | Apr 24 | — | Aug 14 – Oct 30 | 60–90 |
| Snapdragon | Feb 6 | Mar 27 | Apr 17 | — | Jun 26 – Sep 4 | 70–100 |
| Sunflower | Mar 27 | Apr 24 | Apr 24 | — | Jul 17 – Oct 9 | 70–100 |
| Sweet Alyssum | Feb 27 | Mar 27 | Apr 17 | — | May 29 – Aug 7 | 45–60 |
| Sweet Pea | Mar 6 | Mar 13 | Apr 17 | — | Jul 3 – Sep 11 | 65–85 |
| Tulips | — | — | — | Sep 5 | Aug 15 – Sep 12 | 15–30 |
| Vinca (Annual) | Feb 6 | — | Apr 24 | — | Jul 3 – Oct 9 | 70–90 |
| Yarrow | Feb 13 | Apr 17 | Apr 24 | — | Jul 3 – Oct 23 | 60–90 |
| Zinnia | Mar 20 | Apr 24 | Apr 24 | — | Jul 3 – Oct 9 | 60–70 |
Monthly Planting Guide for Gladstone
ZIP Codes in Gladstone
Click any ZIP to see its specific frost, soil, and climate measurements (some ZIPs differ noticeably from the town aggregate):
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Henderson County.
Your Henderson County Garden Planner — Free
A 22-page printable planner built for Henderson County (Zone 6a). 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