ZonePlant
Chester Thornless blackberry

berry variety in zone 5a

Chester Thornless blackberry in zone 5a

Chester Thornless · Rubus subgenus Rubus

Zone
5a -20°F to -15°F
Growing season
150 days
Chill needed
200 to 800 below 45°F
Days to harvest
60 to 90

The verdict

Detailed guidance for this section is being prepared. Check back soon.

About Chester Thornless

Sweet-tart, firm, glossy berries with full flavor; fresh and processing. Trailing thornless habit, very productive, cold-hardy for blackberries.

Critical timing for zone 5a

Detailed guidance for this section is being prepared. Check back soon.

Common challenges in zone 5a

  • Fire blight in pears
  • Cedar-apple rust
  • Late spring frosts

Modified care for zone 5a

Detailed guidance for this section is being prepared. Check back soon.

Chester Thornless in adjacent zones

Frequently asked questions

+
Will Chester Thornless blackberry grow in zone 5a?

Yes. Chester Thornless is recommended for USDA zones 5a through 7b, which includes zone 5a.

+
Are there enough chill hours in zone 5a?

Blackberry needs 200 to 800 chill hours. Zone 5a typically meets this range; check local microclimate against historical chill totals to confirm.

Image: "Ripe, ripening, and green blackberries", by Ragesoss, via Wikimedia Commons, licensed under CC-BY-SA 3.0 Source.

Related