How big do thornless blackberries grow?

Category: home and garden landscaping
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Blackberries grow into bushes 3 to 4 feet tall and wide. The roots of the plant are perennial, but the top is biennial; that is, a branch that comes up this spring will not fruit until next year, and after fruiting it will die.



Correspondingly, how tall do thornless blackberries grow?

Training and Trellising. Thornless blackberries grow to about 5 feet tall with an equal spread. Supporting your blackberry plant with a trellis allows air and sunlight to reach all parts of the plant.

Furthermore, what size raised bed for blackberries? Depending on the type of blackberry plant you will use, construct your raised beds to accommodate the space requirements. Trailing blackberry plants should be spaced 4 to 10 feet apart in the row, with 8 to 10 feet between rows. If you only have a single blackberry plant, you can get by with a 3 by 12 foot raised bed.

Similarly, you may ask, do you need a trellis for blackberries?

Site Selection for Blackberry Bushes Soil: Prefer acidic to slightly basic (6.0-7.0), well-drained, organic soil. Plant blackberries 300 feet away from raspberries. Trellis Support Not Needed: 'Arapaho' blackberries do not need a trellis for support. However, they can be trained to a trellis no higher than 6'-8'.

How do I make blackberries sweeter?

Blackberries alone need the help of their surroundings to turn from tart to sweet. Macerating them with sugar, honey or even a sweet liquor adds the sweetness component. Put them into a bowl; add the sweetener, stir, and let them sit on the countertop and absorb.

38 Related Question Answers Found

Do Blackberries need a lot of water?

Watering. During the growing season blackberries require frequent irrigations so that they are always moist. Blackberry plants require approximately 1 to 2 inches of water per week from mid-May through October. It is best to keep the plants moist at all times without saturating the soil and rotting the roots.

How much space do blackberries need?

Each blackberry plant requires 2.5 to 3 feet of free soil rooting area to develop into a healthy, productive plant. Most blackberries are sold as root cuttings. Cuttings of erect-habit blackberries should be spaced 2 to 4 feet apart in rows. Canes will then fill in the spaces between plants as they grow.

How tall should a blackberry trellis be?

Build the Blackberry Trellis
Each blackberry bush will need at least six feet on either side to stretch out its canes. That's why I have my posts spaced out about seven feet apart. Any more than this and I think the wires would sag too much. Sink each post two feet in the ground and firm it in really well.

Are Blackberries easy to grow?

Age-Old Wisdom meets Modern Tools. Blackberries, like raspberries, are a very easy berry to grow. Once this native berry is ripe, get ready for an abundant harvest, picking every couple of days!

How many blackberry bushes should I plant?

Allow 3-4 new canes per plant to grow to the top of the training wire or trellis. Keep the area around the plants free of weeds. In the first year of growing blackberry bushes, expect to have a small batch of fruit and a full harvest in the second year.

What is the best thornless blackberry?

Navaho has great potential as the first upright, thornless blackberry having the best flavor of any blackberry. However, the berries are the smallest of all varieties.

What can you plant next to blackberries?

Companion Planting For Blackberries
Planting beans or peas near the base of blackberry bushes helps impart nitrogen into the soil of the blackberry patch. Tansy, blueberries, and rue are also excellent plant companions for blackberries.

How do you keep blackberry bushes under control?


The first step in controlling invasive blackberries is to cut down the canes to a point just above the ground. Next, you can either dig up and dispose of the rhizomes or spot treat the tips of the canes with herbicide.

How do you take care of blackberry bushes?

Caring for Blackberry Plants
  1. Planting. The best time to plant blackberry bushes is early in the spring.
  2. Watering. For the first few weeks after planting, water the plants during the day and make sure the first inch of soil remains moist.
  3. Pruning. Do not prune any part of the bush during the first year.
  4. Fertilizing.

Where do blackberries grow best?

They can be trellised or grown in the landscape as a hedge or shrub border. Trailing blackberries have flexible canes that must be tied to a trellis so they don't flop to the ground. All blackberries grow best in full sun, and almost all varieties are self-fruitful, meaning that you need to plant only one cultivar.

Do Blackberries need sun?

Considered brambles because of their tangled growth habits, blackberries do best in full sunlight. While they tolerate some light shade, they produce more prolifically if grown in an open area that receives at least six to eight hours of sunlight each day.

Can you grow blackberries and strawberries together?

Your main issues, when deciding whether to plant these berry bushes, are soil and space. You must clear out an area of well-draining soil that allows for the spread of the blackberry bushes or provides enough room to plant at least a couple rows of strawberries, in order to grow enough for use.

How many pounds of blackberries can you get per acre?


Well-established plants can produce up to 20,000 pounds per acre. All these features make blackberries an attractive crop for commercial fruit and vegetable growers.

Is there such thing as a blackberry tree?

Trees With Berries That Look Like Blackberries. The blackberry plant produces an aggregate berry with single-seeded drupelets that tastes sweet and tart. Many other species of shrubs and trees also produce fruit that look just like blackberries but differ in classification, flavor, texture and development.

What is the best time to transplant blackberries?

The one-year-old canes, which will have fruit the next year, stop growing and enter a dormant period, usually in the late fall. The best time to transplant them is in the winter or very early spring, once they are completely dormant and before they start growing again.