Blueberries |
General |
Common Name | Blueberries |
Latin Name | Vaccinium corymbosum, V. angustifolium |
Category | Fruits |
Family | Vaccinium |
Variety | see Cornell Guide to Growing Fruit at Home |
Visual Traits |
Flower | white; May |
Foliage/Fall leaf color | golden |
Fruit | blue; July |
Height | 15 in (lowbush) |
Cultivation |
Cultivation and Mulching | mulch mid to late summer; do not cultivate within 2' of plant, no more than 2 |
Field preparation and planting | adjust soil acidity year prior to planting; incorporate compost or peat |
Field spacing / planting depth | 4' within rows, 10' between rows / plant 1 |
Hardwood Cuttings | poor survival |
Pollination | Can self-pollinate, but recommend planting at least two cultivars with overlapping bloom season |
Propagation method | bare root, container |
Pruning | prune to half original size at planting; esp to remove flowers; prune established plants in early spring to remove winter injury; or prune late fall to remove older growth; must read further pruning recommendations |
Retail Source | See www.hort.cornell.edu/nursery |
Seedling treatment | soak roots in water for several hours prior to planting |
Softwood cuttings | poor survival |
Transplant | plant as soon as possible; prune and remove flowers |
Watering guidelines | keep well-watered, esp first two seasons |
Critters |
Insect and invertebrate pests | blueberry maggot, stem galls |
Pathogens | fusicoccum canker, phomopsis canker, mummyberry |
Soils |
Fertility / quality | high organic matter |
Moisture and drainage | well-drained, aerated; drought intolerant |
pH | 4.5-5.5 |
Soils and topography | tolerates heavy soils if well-drained |
Texture | sandy peat |
Growth Pattern |
Fruit bearing age / full crop load | 3y / 8y |
Growth rate | moderate |
Longevity | moderate |
Habitat and Climate |
Fire tolerance | very tolerant |
Frost-free days (FFD) | 140 |
Hardiness Zone | Zones 3-8 |
Native Range | North America |
Rainfall / humidity | 32-50 |
Wind / ice / frost susceptibility | late frosts kill late growing shoots; late spring frosts injure flowers and reduce crop load |
Light |
Light recommendation | full sun |
Shade tolerance | tolerant |