Blackberry illustration

Kweken van Blackberry in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Blackberry in this zone. Laatste vorst: May 5. Eerste vorst: Oct 1.

Planting Calendar

Outdoor
Harvest
Apr 7Oct 1

Season: May 5 – Oct 1 (149 dagen)

Zone4a
Laatste vorstMay 5
Eerste vorstOct 1
Seizoen149 dagen
ZonVolle Zon

When to Plant Blackberry in Zone 4a

Harvest: Apr 7

First harvest approximately Apr 7 (~365 dagen from transplant). Continue harvesting until first frost (Oct 1). Blackberry can overwinter in mild climates for continued harvest.

Plan Je Tuin voor Blackberry

Track Blackberry from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Blackberry Growing Guide