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Mammoth Red Raspberry

Huge Berries and Thornless Canes

Fill your berry containers quickly and easily with this thornless variety. Mammoth Red Raspberry produces large yields—about 1-2 quarts per plant—of very large, sweetly flavored fruits from mid-June to early July. The berries, up to 1 in. long, are highly flavored and good for fresh eating, freezing, canning, desserts, jams and jellies. The vines grow 6-8 ft. tall and require support due to the large crop of berries. Mammoth Red Raspberry plants grow best when planted in organic, well-drained, slightly acidic, sandy loam soil in full sun to partial shade. Self-pollinating. Zones 4-8.



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  • Botanical Name: Rubus idaeus var. strigosus 'Mammoth Red'
  • Height: 6 - 8 feet.
  • Spacing: 3 - 4 feet.
  • Depth: Same as in the nursery.
  • Spread: 4 - 6 feet.
  • Light Required: Full sun to partial shade.
  • Pollinator: Self-pollinating.
  • Yield: Approximately 1 - 2 quarts.
  • Color: White flowers.
  • Foliage: Medium green foliage.
  • Blooms: June.
  • Fruit: Very large, red fruit up to 1 inch.
  • Zone: 4 - 8 (-30° F.).
  • Form: Arching.
  • Soil Requirements: Organic, well-drained, slightly acidic, sandy loam soil.
  • Growth Rate: Medium growth rate.
  • Pruning: In late Winter, early Spring, prune and thin your raspberry plants. Any time of the year, you can prune out dead or diseased canes.
  • Size: 1/4 - 1/2 inch.
  • Comments: Very sweet and highly flavored. Thornless canes. Planting: In heavy clay, add 1/2 sand and 1/2 compost or composted manure. Crown should be at soil level. Prune dormant bareroot to 2 inches. If the plant is potted, no pruning is necessary when planting. Growth: Produces on one year old stems. Reduce old canes after they have produced, making room for new canes. In Summer, cut young canes back to 4 feet. Keep laterals to 2 - 3 feet. Needs supporting due to large crops of berries. RSETRICTED STATES: AE, AK, GU, HI, PR.

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