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The best time to plant squash in Arkansas depends on which part of the state you call home, but generally you should plant squash in Arkansas after the last frost date has passed in the spring and again in late summer for a fall harvest.
Because Arkansas spans USDA hardiness zones 6b through 8a, your exact planting window shifts by a couple of weeks depending on whether you’re up in the Ozarks or down in the Delta.
If you’ve ever wondered when to plant squash in Arkansas and gotten confusing advice, this guide will clear things up for good.
In this post, we’ll break down the perfect timing for both summer and winter squash, share tips for soil temperature, and give you a month-by-month cheat sheet so you never miss your window again.
Let’s dig into the dirt and get your garden growing.
When To Plant Squash In Arkansas: The Core Timing Rule
The golden rule for when to plant squash in Arkansas is to wait until the soil temperature reaches at least 60°F and all danger of frost has passed.
For most of Arkansas, that means your spring planting window opens between mid-April and early May.
In southern Arkansas (zone 8a), you can often start planting as early as April 1st, while northern Arkansas gardeners in zone 6b should hold off until around April 20th or even May 1st to be safe.
Squash seeds won’t germinate in cold, wet soil, and young plants are extremely sensitive to a late frost that can wipe out your entire patch overnight.
So when you’re deciding when to plant squash in Arkansas, always check your local frost dates first and then add a week of buffer for peace of mind.
Spring Planting Window for Summer Squash
Summer squash like zucchini, yellow crookneck, and pattypan are fast growers that thrive in warm weather.
You should plant summer squash in Arkansas once the soil has warmed to 65°F or higher, which typically happens in late April.
If you want to stretch your harvest, you can sow a second batch of seeds two to three weeks after your first planting.
This staggered approach ensures you don’t get buried in squash all at once and keeps fresh fruit coming through the summer.
Just remember that summer squash matures in about 50 to 60 days, so a late April planting will give you your first harvest by late June.
Fall Planting Window for A Second Harvest
You can also plant squash in Arkansas during the late summer for a delicious fall crop.
Aim to plant your fall squash between July 20th and August 10th, depending on your zone.
Southern Arkansas gardeners can push their fall planting a bit later, while northern gardeners should plant earlier to beat the first fall frost.
Summer squash planted in early August will mature before the cooler nights of October, giving you a second wave of fresh vegetables.
Winter squash, like butternut and acorn, need a longer growing season of 80 to 110 days, so plant those in late June to early July for a fall harvest.
Soil Temperature and Frost Dates Matter For Planting Squash In Arkansas
When to plant squash in Arkansas isn’t just about the calendar, it’s about what Mother Nature is doing in your specific backyard.
Squash seeds will simply rot in the ground if soil temperatures are below 60°F, so investing in a soil thermometer is a smart move.
The last spring frost in Arkansas usually happens between March 25th and April 15th, but these dates can swing wildly from year to year.
Your first fall frost typically arrives between October 15th and November 5th, which gives you a solid window for that second planting.
To find your exact dates, check with your local county extension office or use an online frost date calculator based on your ZIP code.
Warming the Soil for Earlier Planting
If you’re eager to plant squash in Arkansas earlier in the season, you can speed up soil warming with a few simple tricks.
Layering black plastic mulch over your planting beds two weeks before you sow seeds can raise soil temperatures by 5 to 10 degrees.
You can also build raised beds, which drain better and warm up faster than flat ground in the early spring.
And if you’re really impatient, start your squash seeds indoors about three to four weeks before your intended transplant date.
Use biodegradable pots so you can plant the entire pot without disturbing the sensitive roots.
Using Row Covers to Protect Early Plantings
Another way to get ahead of the clock when you plant squash in Arkansas is to use floating row covers.
These lightweight fabrics let in sunlight and water while trapping heat around your young plants.
You can set them up right after planting and keep them in place for the first few weeks of the season.
This not only protects against a surprise cold snap but also keeps cucumber beetles and squash bugs away from your tender seedlings.
Just remember to remove the covers once your plants start flowering so bees can pollinate the blossoms.
Best Varieties of Squash To Plant In Arkansas
Once you’ve nailed down when to plant squash in Arkansas, choosing the right variety that’s adapted to the state’s humidity and heat is your next step.
Arkansas summers are notoriously hot and muggy, so you want varieties that resist powdery mildew and handle high temperatures.
For summer squash, look for ‘Yellow Crookneck’, ‘Black Beauty Zucchini’, or ‘Pattypan’ which all do exceptionally well in the Natural State.
For winter squash, ‘Waltham Butternut’, ‘Table Queen Acorn’, and ‘Spaghetti Squash’ are proven winners that store well into the winter months.
These heritage varieties are tried-and-true for Arkansas gardens and will reward you with abundant harvests when timed correctly.
Direct Sowing vs. Transplanting
Most gardeners choose to direct sow squash seeds, since squash plants hate having their roots disturbed.
When you plant squash in Arkansas by direct sowing, plant seeds one inch deep and space them about 24 to 36 inches apart.
If you started transplants indoors, harden them off for a week before moving them outside to prevent transplant shock.
Water deeply after planting and keep the soil consistently moist until you see the second set of true leaves appear.
Once established, squash are pretty drought tolerant, but consistent watering during fruit set will give you the best yields.
So, When Do You Plant Squash In Arkansas?
You should plant squash in Arkansas in late spring after the last frost and again in mid-to-late summer for a fall harvest.
For spring, that’s mid-April to early May depending on your zone, and for fall, it’s late July to early August.
Keep a close eye on soil temperatures, wait for that magical 60°F mark, and you’ll be rewarded with a bumper crop of delicious squash.
Don’t forget that your local extension office is your best friend for precise dates, so give them a call before you plant squash in Arkansas.
Now get out there, get your hands dirty, and enjoy the most rewarding vegetable garden season Arkansas has to offer.