Northblue Blueberry

Northblue Blueberry Care

Vaccinium 'northblue'

What is the plant

Vaccinium is a genus of about 450 species. Some species and hybrids, including blueberries, cranberries and huckleberries are grown primarily for their fruit. 'Northblue' is a dwarf, hybrid blueberry selection resulting from a cross between Vaccinium corymbosum and V. angustifolium. Mature plants will reach up to 3' tall with an equal spread and an upright to spreading, compact, densely branched habit. The small, white, pendulous, urn-shaped flowers have a pink blush and are followed by sweet and tart, juicy, dark blue berries. This cultivar is self-fertile but may produce larger yields with another individual nearby.

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Humidity

Normal

Lighting

Full Sun

Hardiness zone

3 - 7

Difficulty

Medium

Hibernation

Cold Period

How to Care for the Plant

Water
Keep plants well-watered during the growing season, especially during dry spells. Plants need about 1-2 inches of rain per week during the growing season. It's best to water with a drip or trickle system that delivers water at low pressure at the soil level. If you water with overhead sprinklers, water early in the day so the foliage has time to dry off before evening, to minimize disease problems. Keep the soil moist but not saturated.
Pruning
Prune in late winter or early spring while the bushes are dormant. The first three years, remove small lateral shoots and thin out excessive bushy growth. After the third year, annually remove 1/4 - 1/3 of the old wood, any dead or injured branches, and those close to the ground.
Fertilizer
Do not fertilize newly planted bushes until they have leafed out. Work a fertilizer designed for acid-loving plants into the top 3 inches of soil around each plant. Apply again 4-6 weeks later. After the first year, fertilize in spring as new growth begins, and again 4-6 weeks later. Apply fertilizer to the soil beneath each bush, keeping it 5-6 inches away from the main stem.