The Best Crops to Plant in August for a Fall Harvest
Discover the best crops to plant in August for a productive fall garden, including fast-growing vegetables, greens, and flowers perfect for Zone 6a and beyond.

Think it’s too late to plant a fall garden? Think again. August might feel like the end of the growing season, but it’s actually a beautiful beginning—especially here in Zone 6a. The heat starts to mellow, the pests begin to slow down, and with just a little planning, you can enjoy a harvest of crisp greens, tender roots, and even a few beans before the first frost.
Whether your summer garden was a wild success or a weedy disappointment, here’s your reminder: you still have time. These crops thrive in late summer and will carry you straight into cozy fall meals and fresh-from-the-garden joy.
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The Best Crops to Plant in August
🥕 1. Carrots
- Days to maturity: 60–75
- Best varieties: Danvers 126, Scarlet Nantes, Little Finger
- Tips: Loosen soil deeply and keep the top layer consistently moist during germination. Carrots get sweeter after a light frost!
🥬 2. Lettuce
- Days to maturity: 30–55
- Best varieties: Black Seeded Simpson (my personal favorite!), Buttercrunch, Oak Leaf
- Tips: Sow in partial shade or tuck between taller crops. Harvest baby greens within 3 weeks.
🌿 3. Kale & Collards
- Days to maturity: 50–70
- Best varieties: Lacinato (Dino Kale), Georgia Southern Collards
- Tips: Cold-hardy and even better after frost. You can harvest well into November in Zone 6a.
🫘 4. Bush Beans
- Days to maturity: 50–60
- Best varieties: Slenderette, Jade
- Tips: Plant by mid-August for a fresh harvest before first frost. Beans love warm soil—perfect for a last push!
🌱 5. Radishes
- Days to maturity: 25–30
- Best varieties: French Breakfast, Easter Egg
- Tips: Sow every 2 weeks for a continuous harvest. Perfect for garden quick wins!
🥬 6. Spinach
- Days to maturity: 40–50
- Best varieties: Bloomsdale, Giant Winter
- Tips: Wait until late August to early September to sow. It’ll thrive as the days cool and can even overwinter under cover.
🧡 7. Zinnias or Cosmos (for the soul)
- Days to bloom: 50–60
- Best varieties: Benary’s Giant Zinnias, Sensation Mix Cosmos
- Tips: Yes, even flowers can still go in! These fast bloomers will brighten up the last days of summer.
🍂 Bonus: Why Planting Now is So Rewarding
Late summer gardening is calmer.
The bugs slow down.
The air cools just enough to make evening watering peaceful again.
And when everyone else is pulling up tired plants, you’ll be harvesting crisp greens and juicy beans like the season never skipped a beat.

🌻 My Favorite Seeds for Late Summer Planting
- Black Seeded Simpson Lettuce – MIgardener
- Danvers 126 Carrots – Seed Savers Exchange
- Slenderette Bush Beans
- Zinnia Mix – Baker Creek Heirloom Seeds
Helpful Gardening Posts for Fall
If you’re feeling inspired to make the most of your fall garden, you might also enjoy learning how to grow garlic, a perfect crop to plant as the weather cools. Or maybe you’re just getting started—if so, don’t miss my post on how to start a simple kitchen garden (no experience needed!) to get growing with confidence. And if you’re drawn to the idea of gardening with purpose, my free printable Victory Garden guide offers old-fashioned inspiration for cultivating a garden that nourishes both body and spirit.
✍️ Final Thought
Maybe your summer garden didn’t go the way you hoped. Mine didn’t either.
But we’re not done yet.
Plant something today and let fall remind you that it’s not too late to grow good things.
