Berries · Perennial
Thornless blackberry
Rosaceae
At a glance
- Plant spacing
- 200 cm
- USDA zones
- 5a–9b
- Frost-sensitive
- no
- Growth duration
- 20 weeks
Which beds suit?
- Sun (prefers)
- full sunAlso okay:partial shade
- Soil (prefers)
- loamyAlso okay:sandyclay
- Drainage (prefers)
- normal
Seed & start
Perennial
Plant once, returns every year.
Stachi's tip
Thornless blackberry is the civilised variant. Trellis mandatory (2 m+ height, 2 m length). 'Navaho' compact + early, 'Thornfree' big harvest. Prune in February.
Sowing
No sowing weeks recorded.
Transplanting
JFMAMJJASOND
Harvest
JFMAMJJASOND
Good neighbours
No fixed companion partners — easy to mix.
Avoid these neighbours
Good pre-cultures
Stachi has no specific pre-cultures recorded.
Sources
- LLM-Baseline+gpt-5-review
- LLM-Baseline-Intercrop
- LLM-Baseline-2026-05-09 yieldKg
- LLM-Baseline-2026-05-10 family-zehrer
- LLM-Baseline-2026-05-10 sun-soil-drainage