![]() ![]() Canes from adjacent plants may overlap a little. ![]() This allows the dying canes to move nutrients back into the crown and roots. After you remove the old fruiting canes, you may train the primocanes up on the wires. Work with one or two canes at a time in a spiral around the trellis wires. However, unless there is a lot of disease, it’s best to delay removing the old fruiting canes until they have died back considerably. Trailing blackberries: After the fruit harvest period, the old fruiting (floricanes) are removed to the ground.We have provided detailed pruning information below, but do not be scared. The main idea is to simply remove the old canes that already bore fruit and let new ones take their place. Directing all canes in one direction may make it simpler. Train the new primocanes into a narrow row below the fruiting canes. After the first year, there will be fruiting floricanes along the wires. ![]() Explore a two-wire system, running a top wire at five to six feet with a second line 18 inches below the top wire. Blackberries benefit from fertilizing in early spring with an all-purpose fertilizer such as 10-10-10, or a 16-16-8.Īs mentioned above, trailing blackberries need a trellis or support.Ensure plants receive one inch of water per week and more in hot temperatures. Blackberries require plenty of moisture, especially when growing and ripening.Keep a thick layer of mulch surrounding plants at all times. Mulching is important throughout the season to conserve moisture and suffocate weeds.Plant shallowly: about one inch deeper than they were grown in the nursery.For semi-erect cultivars, space plants 5 to 6 feet apart. Space erect cultivars 3 feet apart. Space trailing varieties 5 to 8 feet apart.Make sure you plant your blackberries far away from wild blackberries, which may carry (plant) diseases that could weaken your own plants.(Learn more about soil amendments and preparing soil for planting.) Soil needs to be fertile with good drainage.Select a site that receives full sun for the best berry yields.Blackberries and their hybrids are all self-fertile, so multiple plants are not needed for fruit production.Planting may also be done in late fall, however, it should be delayed until early spring in very cold areas as low temperatures could kill some hybrid varieties.Plant when the canes are dormant, preferably in early spring. ![]()
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