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Can You Grow Collard Greens in Zone 6a?

Zone 6a 213 frost-free days🌱 Beginner Friendly
Quick Answer: ✅ Yes — Collards are well-suited to your zone — they handle summer heat and frost alike.
✅ Yes

Collard Greens grows well in Zone 6a

Collards are well-suited to your zone — they handle summer heat and frost alike.

📅 When to Plant in Zone 6a

Start Indoors Mar 4
Transplant Out Apr 1
Last Sow Date Aug 12
🌾 Harvest May 31 – Jun 20

Based on Zone 6a's average last frost of early April and first frost of late October — frost can arrive earlier or later in any given year, so check your local forecast before you transplant.

🌱 Growing Collard Greens in Zone 6a

Start indoors 4-6 weeks before last frost or direct sow. Harvest lower leaves as needed. Plants withstand hard frosts — flavor improves after cold snaps. In warm zones, grow as a fall/winter crop.

🪴 Container: 5+ gal pot💧 Hydroponic OK❄️ Frost Tolerant

🌿 Other Things That Grow in Zone 6a

🌾 Amaranth (Chaulai / Rajgira) ✅ Beginner 🍎 Apple ✅ 🥦 Artichoke ✅ 🥬 Arugula ✅ Beginner 🌿 Asparagus ✅ 🌿 Basil ✅ Beginner ❤️ Beets ✅ Beginner 🫑 Bell Pepper ✅
See all plants for Zone 6a →

📍 Where Else Can You Grow Collard Greens?

Zone 5a Zone 5b Zone 6b Zone 7a Zone 7b Zone 8a

🗺️ USDA Plant Hardiness Zones

Zone 6 is shown in this colour on the map below
2023 USDA Plant Hardiness Zone Map — zones 1 to 13

2023 USDA Plant Hardiness Zone Map — public domain. USDA Agricultural Research Service

1 2 3 4 5 6 7 8 9 10 11 12 13

USDA zones run 1a–13b (26 half-zones). Each full zone above covers both the a and b half-zones. Browse all US zones →

Technical climate details for Zone 6a
USDA Zone
6a
Last Frost
early April
First Frost
late October
Frost-Free Days
213
Collard Greens Zone Range
5a – 11b
Days to Harvest
60–80 days

Frequently Asked Questions

Collards are well-suited to your zone — they handle summer heat and frost alike.
Zone 6a is in USDA Hardiness Zone 6a with approximately 213 frost-free days per year.
Collard Greens grows in USDA Zones 5a–11b.
Collard Greens is beginner-friendly and one of the easier crops to grow.