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Description

Triple Crown Thornless Blackberry delivers one of the heaviest yields of any thornless blackberry available — up to 13 pounds of large, glossy, firm, sweet berries per plant in early August, arriving late in the blackberry season when most other thornless varieties have finished. The sweet flavor with smaller seeds than wild blackberries makes them outstanding for fresh eating as well as pies, baking, jams, and freezing. The semi-erect, thornless canes set fruit uniformly for clean, efficient harvesting without scratched arms. Only 300–450 chill hours, heat-tolerant, and productive across a wide Zones 5–9 range. Self-pollinating, bears in 1–2 years.

Up to 13 Pounds Per Plant — Outstanding Late-Season Yield

The yield is what Triple Crown is known for among serious home gardeners. Thirteen pounds of large, glossy black berries per established plant is a genuinely substantial harvest from a single planting — enough for fresh eating through the August harvest window plus meaningful quantities for freezing, baking, and preserves. The uniformly set fruit on the semi-erect canes makes harvesting efficient, with the berries presenting cleanly rather than hiding behind tangled growth.

Sweet Flavor, Smaller Seeds — Better Than Wild Blackberries

Triple Crown’s flavor is sweet rather than tart-forward, with smaller seeds than wild blackberries that let the flesh and flavor take center stage. The large, glossy, firm berries hold up through picking and handling, freeze well for year-round use, and produce outstanding pies, cobblers, and jams where the sweet, rich blackberry character carries through every preparation.

Early August — The Late Chapter of the Thornless Blackberry Season

Triple Crown’s early August ripening arrives after Arapaho (early June), Natchez (mid-June), and Chester (late July), extending the thornless blackberry season into August for the longest possible fresh harvest. For growers planting a succession of thornless varieties, Triple Crown is the natural final variety that keeps fresh berries coming through the end of summer.

Why Growers Choose Triple Crown Thornless Blackberry
  • Up to 13 lbs per plant — one of the heaviest-yielding thornless blackberries available
  • Sweet, large, glossy, firm berries — smaller seeds than wild blackberries
  • Early August late-season ripening — extends the thornless blackberry harvest into summer’s end
  • Thornless semi-erect canes — uniform fruit set, comfortable scratch-free harvesting
  • Only 300–450 chill hours — accessible to warm Zone 5–9 gardens
  • Self-pollinating, bears in 1–2 years — productive quickly from a single planting

Survival Guaranteed!

Since 1816, Stark Bro’s has promised to provide customers with the very best fruit trees and plants. It’s just that simple. If your trees or plants do not survive, please let us know within one year of delivery. We will send you a free one-time replacement, with a nominal shipping fee of $9.99. If the item in question is not available, we can issue you a refund. Read more about our warranty policy.

Characteristics

Characteristic NameValue
Bloom Color White
Chill Hours 300 - 450
Fruit Color Black
Fruit Size Large
Hardiness Zone Range 5 - 9
Pollination Self-Pollinating
Ripens/Harvest Early August
Characteristic NameValue
Shade/Sun Full Sun
Soil Composition Loamy
Soil Moisture Well Drained
Soil pH Level 6.0 - 6.8
Taste Sweet
Texture Firm
Years to Bear 1 - 2

Size & Spacing

Mature Size

When your plant matures, it will be approximately 4 - 5' tall x 3 - 4' wide.

Recommended Spacing

We recommend spacing these plants 5 - 6' apart to ensure room for growth.

Zone Compatibility

This Variety's Zone Range 5 - 9
My Hardiness Zone ?
The USDA hardiness zones offer a guide to varieties that will grow well in certain climates. Each zone corresponds to the minimum winter temperatures experienced in a given area. Make sure that your hardiness zone lies within the zone compatibility range of this variety before ordering.

Pollination

This variety is self pollinating.

In many cases, you may still want to plant pollinating partners to increase the size of your crops, but with self-pollinating varieties doing so is optional. You'll get fruit with only one plant!

Bundle & Save!

We've combined this item with others that compliment it into money-saving assortments that make shopping easy!

Tools & Supplies

Having the proper tools and supplies when growing your own can make the difference between a good harvest and a great harvest! Here's a list that our experts recommend for this variety.

Planting & Care

Learn all about how to grow blackberry plants in The Growing Guide. An entire section of our website dedicated to your growing success.

Shipping Information

Arrives when it's time to plant

Your success is our priority. We work hard to make sure that your order arrives at the ideal time for planting in your location based on your local climate conditions.

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Questions & Answers

Customer Reviews