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Blueberries Plant Care Guide ~ Blueberries in Containers

Old Farmers Almanac

bluberry

Botanical name: Vaccinium

Plant type: Fruit

USDA Hardiness Zones: 3, 4, 5, 6, 7

Sun exposure: Full Sun

Soil type: Any

Soil pH: Acidic


The modern blueberry is a 20th century invention. Before the 1900s, the only way to enjoy these North American natives was to find them in the wild. Then, scientists started to unlock the secrets of cultivating blueberries, and we’re glad they did!  Plump, juicy berries are now easy to grow in your backyard on bushes that are resistant to most pests and diseases, and can produce for up to 20 years. A relative of rhododendron and azalea, blueberry bushes are also an attractive addition to your overall landscape, offering scarlet fall foliage and creamy white spring flowers.

There are three types of blueberries: highbush, lowbush and hybrid half-high. The most commonly planted blueberry is the highbush. Most blueberry breeding has focused on this species, so there are many varieties that range widely in cold hardiness and fruit season, size, and flavor. See more about blueberry varieties below.

Planting

  • Blueberries are picky about soil. They require one that is acidic, high in organic matter, and well-drained yet moist. pH should ideally be between 4 and 5.
  • Bushes should be planted in the early spring. If available, one to three-year-old plants are a good choice. Be sure to go to a reputable nursery.
  • Dig holes about 20 inches deep and 18 inches wide.
  • Space bushes about 5 feet apart.
  • Apply fertilizer one month after planting, not at time of planting.

Care

  • Mulch to keep shallow blueberry root systems moist, which is essential. Apply a 2-4 inch layer of woodchips, saw dust or pine needles after planting.
  • Supply one to two inches of water per week.
  • For the first four years after planting, there is no need to prune blueberry bushes. From then on, pruning is needed to stimulate growth of the new shoots that will bear fruit the following season.
  • Drape netting over ripening blueberries, so that the birds won’t make away with the entire crop.
  • Prune plants in late winter, preferably just before growth begins.
  • On highbush varieties, begin with large cuts, removing wood that is more than six years old, drooping to the ground, or crowding the center of the bush. Also remove low-growing branches whose fruit will touch the ground, as well as spindly twigs.
  • Prune lowbush blueberries by cutting all stems to ground level. Pruned plants will not bear the season following pruning, so prune a different half of a planting every two years (or a different third of a planting every three years).
  • Do not allow the bush to produce fruit for the first couple of years. Pinch back blossoms, this will help to stimulate growth.

Pests

Harvest/Storage

  • Blueberries will be ready for picking in late July-mid August.
  • Don’t rush to pick the berries as soon as they turn blue. Wait a couple days. When they are ready, they should fall off right into your hand.
  • Be aware that full production is reached after about 6 years.
  • Blueberries are one of the easiest fruits to freeze. Wash, dry thoroughly, and pop them in the freezer in Tupperware or a plastic bag. You’ll have berries all winter long.

Recommended Varieties

Blueberries are partially self-fertile, so you will harvest more and larger berries by planting two or more varieties. Planting more than one variety can also extend the harvest season.

Highbush (Vaccinium corymbosum): A six-foot shrub adapted from Zone 4 to Zone 7. For withstanding cold winters, choose ‘Bluecrop’, ‘Blueray’, ‘Herbert’, ‘Jersey’, or ‘Meader’. For big berries, choose ‘Berkeley’, ‘Bluecrop’, ‘Blueray’, ‘Coville’, ‘Darrow’, or ‘Herbert’. For flavor, usually the main reason for growing your own fruit, choose ‘Blueray’, ‘Darrow’, ‘Herbert’, ‘Ivanhoe’, ‘Pioneer’, ‘Stanley’, or ‘Wareham’.

Lowbush (V. angustifolium):For the coldest climates, lowbush varieties are your best bet, adapted from Zone 3 to Zone 7. These are the blueberries you find in cans on supermarket shelves. When fresh, the fruits are sweet and covered with a waxy bloom so thick that the berries appear sky blue or gray. The creeping plants, a foot or so high, are spread by underground stems, or rhizomes. They blanket the rocky upland soils of the Northeast and adjacent portions of Canada. Lowbush blueberries make a nice ornamental fruiting ground cover. Plants sold by nurseries are usually seedlings or unnamed wild plants, rather than named varieties.

Half-High: Breeders have combined qualities of highbush and lowbush blueberries into hybrids known as half-high blueberries. University of Minnesota introductions include ‘Northcountry’, a variety that grows 18 to 24 inches high and has excellent, mild-flavored, slightly aromatic sky-blue fruits; and ‘Northblue’, which grows 20 to 30 inches high and produces an abundance of dark-blue, nickel-size, somewhat tart fruits-just right for pies. ‘Northland’ is a half-high-3 to 4 feet-from Michigan, with bland, average-quality fruit.

Recipes

Wit & Wisdom

In Ireland, baskets of blueberries are still offered to a sweetheart in commemoration of the original fertility festival of Lammas Day, celebrated on August 1.

 

 


 


 


 

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7 responses

  1. Love them ..Always have a frozen box ( Not Chinese IMPORT 😉 ), in the freezer.

    June 2, 2013 at 11:16 am

    • me too, but am out now waiting on this year’s harvest. some of the farmers pay to pick berries, so you can get yours free, 2 for them one for you 😉

      June 2, 2013 at 11:24 am

      • In my area, were ( In Winter ), we get some heavy frost and sometimes snow, I have had try it 3 times with 3 bushes of Blueberry and lost my battle every time. 🙂

        June 2, 2013 at 11:33 am

      • thanks for warning, i will stick with the pick ur owns then. i know they can be fussy and take while to get established. but omg they are so good 🙂

        June 2, 2013 at 11:40 am

  2. These do grow wild here. The wood is smooth, strong, and curvy. The flowers are abundant and white and look like tiny tiny bells. Wild berries are smaller than commercial varieties. The leaves can be dried and made into a tea also. It brews into a lovely bluish color. Blueberry honey is from bees that have feed exclusively on blueberry flowers. It is a beautiful unusual color, also.

    June 5, 2013 at 3:14 am

    • sweet, thank you … i seen an experiment where they fed varieties of colored food to bees and it made their honey same shade. pretty cool 🙂

      June 5, 2013 at 11:37 am

  3. Pingback: Blueberry | Find Me A Cure

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