🍇 When to Plant Blackberries

🥬 Vegetable
Cool Season

Thornless varieties available; train on trellis; second-year canes bear fruit

📅 Planting Calendar by USDA Zone

Select your zone to highlight your exact planting dates. Dates are calculated from each zone's average frost dates.

Find my zone
Zone Last Frost Start Indoors Transplant Direct Sow
Zone 2A May 30 May 2
Zone 3B May 15 Apr 17
Zone 4A May 8 Apr 10
Zone 4B May 1 Apr 3
Zone 5A Apr 25 Mar 28
Zone 5B Apr 18 Mar 21
Zone 6A Apr 21 Mar 24
Zone 6B Apr 10 Mar 13
Zone 7A Apr 5 Mar 8
Zone 7B Mar 28 Feb 28
Zone 8A Mar 20 Feb 20
Zone 8B Mar 12 Feb 12
Zone 9A Feb 28 Jan 31
Zone 9B Feb 15 Jan 18
Zone 10A Feb 1 Jan 4
Zone 10B Jan 15 Dec 18
Zone 11A Jan 1 Dec 4

Blackberries are vigorous, productive cane fruits that thrive with minimal care. Thornless varieties make harvesting a pleasure.

Top Growing Tips

  • Thornless varieties (Triple Crown, Chester) are excellent for home gardens
  • Train on a trellis or fence for easier management and harvesting
  • Prune out old (brown, woody) canes after they fruit
  • New canes grow vegetatively year one, fruit year two
  • Fully black berries need 3-4 more days on vine to reach peak sweetness

Companion Planting

Good companions: tansy, garlic, marigolds

Avoid planting near: raspberries (cross-disease risk), nightshades

Harvest Timeline

Year 2 after planting; harvest when berries are fully black and slightly soft