Growing blueberries for health and fun
Thursday, April 17th, 2014
Issue 16, Volume 18.
Berries are packed with plenty of essential nutrients the human body requires – vitamins A, C, E, K, B6, and B12, which are known to have many health benefits.
Another major health benefit of berries is their immunity boosting capabilities. In addition to keeping defenses high against general illnesses, berries also improve heart health. These antioxidants also balance blood fat levels, which helps regulate high cholesterol. Other antioxidant health benefits of berries include its ability to fight certain types of cancer. The high amounts of manganese found in all berries are especially helpful in flushing out the digestive system of toxins.
Blueberries are easy to grow, require little care and are seldom bothered by pests. They can vary in size from low ground-covering varieties to large bushes ranging 4- to 6-feet high. Their versatility allows them to be used as background shrubs or as border plants. They even make excellent hedges, if spaced correctly. If one is limited in space or just has a patio, consider planting them in containers.
Different varieties of blueberries produce different sizes of fruit, with flavor ranging from tart to very sweet. Larger fruiting varieties produce fruit perfect for fresh eating and large desserts, while smaller fruiting varieties are better for adding to cereals, muffins and pancakes.
The Southern Highbush varieties of blueberries are especially suited to the Southern California climate. Be sure to select different cultivars to lengthen the harvest season from June until the end of August. For blueberry lovers, one should plan at least two plants per family member.
When to plant
By growing early, mid, and late-season varieties one can harvest blueberries from early summer until fall. Blueberries ripen over a two- to five-week period. Harvest Highbush blueberries every five days as the color becomes a deep blue. Blueberries can be planted almost any time of year in Southern California.
Cultivars suited for this region include Misty, fruiting as early as April. Early-flowering Reveille is harvested May through early July. High-yield Sharpblue harvests through June and July. There are a few varieties such as Ozark Blue which yield late season August berries. Due to the mild climate it is possible to have an extended season with fresh berries all year.
Blueberries grow best in a sunny location. They tolerate partial shade, but produce fewer blossoms and fruit. Blueberries should not be planted near trees or crowded by other shrubs. Blueberry bushes live 30 to 50 years, so it is wise to give them adequate space to spread out.
Good air circulation helps prevent fungal diseases. Highbush blueberries need 4 to 6 feet between plants, and the smaller half-highbush require 2 to 3 feet. Blueberry bushes come into full maturity in their fifth or sixth year, producing 5 to 10 pounds of fruit per bush.
They prefer a light, airy acid soil (with a pH level of 4.0 to 5.5). Adding 50 percent peat moss to each hole is highly recommended. By adding organic compost or peat moss as a soil additive, it will lower the pH factor to an acceptable level. Blueberries like to stay moist, but not wet. If the soil does not drain well, consider building a raised bed to plant them in.
Mulch around the plants about 4 inches from the main trunk to prevent weed growth and retain moisture. Fertilize twice a year in early spring and again in late spring/early summer with cottonseed meal or an another acid-inducing plant food such as Dr. Earth® Azalea and Camellia food.
Prune during the dormant season. Starting in the fourth year, remove dead and weak branches. Thin out branches smaller than the diameter of a pencil. As the bush ages, remove old, unproductive branches to stimulate new growth, leaving 6 to 8 productive branches. Prune interior crossing branches to admit light to the center of the plant.
Besides their amazing health benefits and taste, they are easy to grow! Why not grow blueberries?
For more information on growing blueberries, visit Grangetto’s Farm & Garden Supply in Fallbrook at 530 E. Alvarado St. Phone (760) 728-6127.
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