The Story
Plant Bio
Triple Crown is a thornless blackberry cultivar known for its high yield and firm, sweet berries.
A thornless, semi-erect cultivar prized for its three crowning attributes: exceptionally large, sweet fruit; high yields; and vigorous growth.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Fruit Vegetable
Height
60"
Width
48"
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8, 9
Water
Consistent moisture, especially during fruiting
Humidity
Moderate to high
Lifespan
Perennial
Native To
Hybrid origin
Toxicity
Non-toxic to humans and pets
Bloom period
Mid-summer – Late summer
In flower about 2 months of the year
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck young plants into well-drained soil in early spring.
- Water regularly to keep soil moist but not waterlogged.
- Prune after fruiting to promote new growth and manage size.
- Fertilize with a balanced fertilizer in early spring and mid-summer.
- Mulch around the base to retain moisture and suppress weeds.
- Protect from extreme cold with mulch or covers during winter.
Pro Tip
Plant in full sun for best fruit production and vigorous growth.
Keep It Thriving
Care Guide
Do
- Water consistently, especially during dry spells 🌱
- Prune to shape and remove dead or diseased canes
- Support canes with trellises for easier harvesting
Don't
- Overwater to prevent root rot ❌
- Neglect pruning, which can lead to tangled canes
- Plant in shaded areas, reducing fruit yield
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Harvest | ||||||||||||
| Prune | ||||||||||||
| Stake |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Triple Crown Blackberry questions
What zones can Triple Crown Blackberry grow in?
Triple Crown Blackberry is hardy in USDA Zones 5–9: in that range it survives winter in the ground. Colder than Zone 5, grow it in a container you can move to shelter for the winter, or as an annual. Warmer than Zone 9, winter isn't the problem: it prefers colder winters, and summer heat can shorten its life.
Is Triple Crown Blackberry deer resistant?
Not reliably. Deer may browse Triple Crown Blackberry, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Triple Crown Blackberry bloom?
Triple Crown Blackberry typically blooms in mid- to late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Triple Crown Blackberry need full sun?
Triple Crown Blackberry does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Rubus to compare
Mammoth Red Raspberry
Rubus idaeus 'Mammoth Red'
Crimson Night Raspberry
Rubus idaeus 'Crimson Night'
Jewel Black Raspberry
Rubus idaeus 'Jewel'
Apache Thornless Blackberry
Rubus fruticosus 'Apache Thornless'
Canby raspberry
Rubus idaeus 'Canby'
Anne Raspberry
Rubus idaeus 'Anne'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Triple Crown Blackberry with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.