Caroline Red has large berries that are very sweet. When ripe, the berries are velvety soft and deep red. Best for fresh eating, they also do well for freezing. This is a vigorous grower, and the canes will need to be supported due to their height (5') and fruit load, so a good trellis or support is important. USDA Hardiness Zones 5-9
Nova is one of the more northerly hardy cultivars of red raspberry with very strong growing canes and medium to large fruit that is bright red and firm. Berry flavor is superb. Nova is very dependable and productive, and tolerates up and down spring weather better than any other raspberry. The canes of Nova seem to have the smallest spines as well. Nova will produce a very light fall crop (on the primocanes) if growth has been good and the fall doesn't cool down too quickly. Hardiness zone is 3 to 8.
Preparing the Soil
Raspberries and Blackberries prefer a soil pH of 5.6 to 6.2; acid soils may require applications of ground limestone to increase the pH. Soil testing information is available from your county Cooperative Extension office. You can improve the level of organic matter in the soil with good compost.
At planting and every year after fruiting, use an Organic Berry Fertilizer or Organic Berry Fertilizer spikes as directed.
The Blackberry or Raspberry Plant
The crowns and roots of raspberry plants are perennial, but individual canes live two years. Each spring, the plants produce canes (suckers) from buds on the crown and on underground lateral stems. These canes grow vegetatively during the first season, overwinter, and produce fruit during the summer of the second year, while new canes emerge to provide a crop for the following year. Second-year canes die shortly after fruiting. Everbearing raspberries bear a crop on the tips of first-year canes in the fall, followed by a typical summer crop on the lower portion of the canes the second year.
It's easy to tell first-year canes from second-year canes. First-year canes have green stems, while second-year canes have a thin, brown bark covering them.
Although a wide selection of berry varieties are available, only a few will do well under the very short growing seasons and severe winters of northern New England. Select only those that are rated very hardy with early or mid-season ripening if you live in very cold areas.
In general, red raspberries are the hardiest type, followed by purple raspberries, black raspberries, and blackberries. Temperatures below 5 degrees F will injure or kill blackberry and most purple and black raspberry canes, so these should only be planted in zones 5-8.
Generous use of mulches like pine straw, sawdust, or peat moss will help control weeds, conserve moisture, and keep roots cool. Increased organic matter from decomposing mulch will help improve soil structure and nutrient uptake of plants. Replenish mulch as needed to keep the mulch depth at 2 to 4 inches.
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