Adair County, MO — Planting Guide
June in the garden — Adair County, Missouri
A quick June briefing for Adair County, Missouri gardeners — what's urgent, what's next, and what can wait.
-
Start basil, peppers, and pole beans indoors
Your window is short. These crops want several weeks of indoor growth before they go outside.
-
It's harvest week for basil, carrots, and cucumber
This is the payoff month. Bring a basket, bring a friend, and get into the beds.
July will be here before you know it — start on
- First harvests: basil, carrots, and cucumber
Adair County is in USDA Zone 6a. The average last spring frost is April 17 and the first fall frost is October 17, giving you a growing season of approximately 183 days.
At an elevation of 1,327 ft, Adair County receives approximately 34.8 in of rainfall annually. Summer highs average 86°F with winter lows around 17°F. The predominant soil type is Silt Loam.
Based on 30 years of NOAA climate station data, the last frost date here varies by 28 days year to year — ranging from April 5 in warm years to May 3 in cold years. The growing season is trending shorter by about 3.12 days per decade. Adair County scores 50/100 (Moderate) on the Microclimate Index.
🌡️ Zone
6a (-10°F to -5°F min)
❄️ Last Frost
April 17
🍂 First Frost
October 17
📅 Growing Season
183 days
⛰️ Elevation
1,327 ft
🌧️ Annual Rainfall
34.8 in
Monthly Watering Calendar for Adair County
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
The practical takeaway: In Adair County, the watering question isn't "how often" — it's "is the soil moist 4 inches down?" Stick a finger in. Dry? Water. Damp? Wait. The 35" annual rainfall is just the starting context.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 1.7 in | 7 days | — | None |
| Feb | 1.7 in | 7 days | — | None |
| Mar | 2.2 in | 8 days | — | None |
| Apr | 3.8 in | 10 days | 0.5 in | Low |
| May | 3.6 in | 12 days | 0.7 in | Moderate |
| Jun | 4.2 in | 10 days | 0.1 in | Low |
| Jul | 3.5 in | 8 days | 0.8 in | Moderate |
| Aug | 4.1 in | 9 days | 0.2 in | Low |
| Sep | 2.9 in | 9 days | 1.4 in | Moderate |
| Oct | 2.8 in | 8 days | 1.5 in | Moderate |
| Nov | 2.3 in | 8 days | — | None |
| Dec | 2.1 in | 7 days | — | None |
Annual total: 34.9 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.
Adair County Soil Profile
Soil Type
Silt Loam
Soil pH
5.8-6.7
Drainage
Well Drained
Frost Risk Probability
Based on 30 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 | Oct 31 | 181 days |
| Cautious | Apr 23 | Oct 27 | 187 days |
| Average year | Apr 17 | Oct 17 | 183 days |
| Optimistic | Apr 11 | Oct 11 | 183 days |
| Aggressive (risky) | Apr 5 | Oct 2 | 180 days |
Not very — frost dates can vary by ±28 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 3.1 days per decade). Use the "Conservative" dates and choose fast-maturing varieties.
Gardening Difficulty Score
Adair County presents some gardening challenges. Choose adapted varieties and plan around frost dates.
Local Gardening Help in Adair 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 Adair County's climate and soil.
County Extension Office
Adair County University of Missouri Extension Extension Office
Phone: 573-882-7554
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 Adair County
Finding local nurseries & garden centers in Adair County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Adair 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 Adair County MO" or "garden center Adair 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 Adair County MO" or check your extension office and local parks department. Facebook groups like "Adair County Gardeners" or "Missouri 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 Adair County
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
Quick context: 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). Adair County's latitude determines which varieties fit your beds.
Longest Day
14.8 hours
Summer solstice daylight
Shortest Day
9.2 hours
Winter solstice daylight
Peak Sun Hours
9.8 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 | 3.9 hr | Short day |
| February | 10.5 hr | 4.5 hr | Short day |
| March | 11.7 hr | 5.7 hr | Short day |
| April | 13.1 hr | 7 hr | Neutral |
| May | 14.2 hr | 8 hr | Long day |
| June | 14.8 hr | 9 hr | Long day |
| July | 14.6 hr | 9.8 hr | Long day |
| August | 13.6 hr | 8.5 hr | Neutral |
| September | 12.2 hr | 6.8 hr | Neutral |
| October | 10.9 hr | 5.9 hr | Short day |
| November | 9.7 hr | 3.8 hr | Short day |
| December | 9.2 hr | 3.6 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting in Adair County
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
Why it matters: Compost piles need 130-160°F internal temp to actively break down. Below 50°F ambient, microbial activity slows dramatically. Adair County's soil temperature curve also tells you when your compost is working and when it's napping.
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 | 24°F | 30°F | ❄️ Dormant | ~36 weeks |
| Feb | 24°F | 30°F | ❄️ Dormant | ~36 weeks |
| Mar | 30°F | 33°F | ❄️ Dormant | ~36 weeks |
| Apr | 46°F | 44°F | 🐢 Slow | ~24 weeks |
| May | 56°F | 55°F | ♻️ Active | ~14 weeks |
| Jun | 68°F | 64°F | 🔥 Peak | ~8 weeks |
| Jul | 75°F | 70°F | 🔥 Peak | ~8 weeks |
| Aug | 79°F | 73°F | 🔥 Peak | ~8 weeks |
| Sep | 69°F | 70°F | 🔥 Peak | ~8 weeks |
| Oct | 56°F | 60°F | ♻️ Active | ~14 weeks |
| Nov | 41°F | 49°F | 🐢 Slow | ~24 weeks |
| Dec | 30°F | 37°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 Adair County
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
For new gardeners: The most successful gardeners in high-pressure regions don't spray more — they design around the problem. Crop rotation, companion planting, and resistant varieties beat reactive spraying.
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 | Moderate | May, Jun, Jul, Aug |
| Japanese beetles | Moderate | Jun, Jul, Aug |
| Squash bugs | Low | Jun, Jul, Aug |
| Tomato hornworms | Low | Jul, Aug |
| Cabbage loopers | Moderate | May, Jun, Jul, Aug |
| Slugs | Low | Apr, May, Jun |
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 Adair County
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
Why it matters: Cover crops fix nitrogen by hosting bacteria that pull it from the air. A vigorous legume cover crop can deliver 50-150 lbs/acre of nitrogen — meaningful for the next vegetable season.
Spring Cover Crops (3 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Apr 19 | Aug 15 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Sorghum-sudan grass | Apr 26 | Aug 22 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Mar 23 | Aug 22 | ✓ 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 8 | Oct 3 | — | 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 23 | Apr 3 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Daikon radish | Aug 31 | Mar 27 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Aug 10 | Apr 3 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Sep 5 | Apr 3 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Jul 17 | Apr 3 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Jul 17 | Mar 27 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Adair County
The practical takeaway: Wind dries soil, knocks over young transplants, and disrupts pollination for bees and butterflies. Adair County averages 8.6 mph — above 10 mph means windbreaks (shrubs, fences, taller crops to windward), staked tomatoes from day one, and an extra round of watering during dry windy spells. Lower wind = lower water bills and fewer broken stems.
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 14 mph Summer: 9 mph
Fall: 11 mph Winter: 13 mph
Prevailing wind: SW. Moderate wind — consider a temporary windbreak for young seedlings.
Windbreak Benefit
6.7/10
Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.
Frost Pocket Risk
Low
Relatively flat terrain (147 ft range). Frost pocket risk is minimal — garden placement is flexible.
Rainwater Harvesting in Adair County
How much water you can collect, when to collect it, and what size system you need for your garden.
Why this matters: A gravity-fed rain barrel ($75) is the easy entry. A larger cistern ($500-1500) covers a whole growing season. Adair County's 35" annual rainfall determines whether the larger system is overkill or essential.
Annual Collection
17,394 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
Apr, May, Jun, 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 34.9 inches of rain per year
- A 1,000 sq ft roof can collect roughly 17,394 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 Adair County
Soil Type
Silt Loam
Soil pH 5.8–6.7 · Somewhat Poorly Drained drainage
Good candidate for raised beds to maximise drainage and extend the season.
Watering Needs
Drought stress: 5.5/10
Moderate drought pressure. Drip irrigation and mulching are highly recommended to maintain soil moisture through summer.
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 Adair County
107 vegetables that grow well in Zone 6a with planting dates for Adair County.
Show all 107 vegetables with planting 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 Adair County
27 fruits that grow well in Zone 6a with planting dates for Adair County.
Show all 27 fruits with planting 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 Adair County
35 herbs that grow well in Zone 6a with planting dates for Adair County.
Show all 35 herbs with planting 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 Adair County
53 flowers that grow well in Zone 6a with planting dates for Adair County.
Show all 53 flowers with planting 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 Adair County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Adair County.
Frequently Asked Questions
What planting zone is Adair County, MO?
Adair County is in USDA Hardiness Zone 6a. 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 Adair County, MO?
Based on 30 years of NOAA weather station data, the median last spring frost in Adair County falls around April 17. In 8 out of 10 years, last frost lands between April 5 and May 3 — a 28-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 Adair County, MO?
The median first fall frost in Adair County arrives around October 17. In cold years it can arrive as early as October 2; in mild years as late as October 31. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
How long is the growing season in Adair County?
Adair 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 3.12 days per decade.
What is the soil like in Adair County for gardening?
Adair County has predominantly Silt Loam soil with a pH range of 5.8–6.7 and Somewhat Poorly Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.
What is grown commercially in Adair County?
Adair County has commercial agriculture that includes Soybeans, Hay, Corn, Cattle, Wheat. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.
Is Adair County a good location for home gardening?
Adair County scores 50/100 (Moderate) 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 Adair County Garden Planner — Free
A 22-page printable planner built for Adair 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