Rubus chamaemorus: Guide to Grow Cloudberries

Here is a guide to grow cloudberries. Rubus chamaemorus (cloudberry) grows in cool temperate regions. The rhizomatous herb produces edible fruits that are amber colored with a tarty taste. The herb has many names such as cloudberries, knoutberry, knotberry, bakeapple, Nordic berry.

The plant is rare and considered an endangered species in some countries. The seeds are spread through excretion by mammals and birds. They are found in Baltic States, Nordic countries and North Russia. You find them in Scotland, Elbe valleys Greenland, Alaska, New Hampshire and Ireland.

Distribution

  • Nordic countries
  • North Russia
  • Scotland
  • Elbe valleys
  • Greenland
  • Alaska
  • New Hampshire
  • Ireland

Description

Cloudberry has straight branchless stocks with leaves that bear 7 lobes. Unripe fruit are pale red while ripe fruits are amber colored.

The petals are white and pollination is by bees. The preferred temperature January average low temp -34*F, August average high temp -69*F. They grow 15 to 25cm high and consist of 5 to 20 drupelets.

Facts about Cloudberry

  • Straight branchless stocks
  • Leaves that bear 5 to 7 lobes
  • Unripe fruit are pale red
  • Ripe fruits are amber
  • Petals are white
  • Seed distribution mammals, birds
  • Pollination is by bees
  • Low temp -34*F, August average high temp -69*F
  • grow 15 to 25cm high
  • Consists of 5 to 20 drupelets.

Uses of Cloudberries

The amber fruit are edible, juicy and soft. Rich in vitamin C they have a distinctive tart taste. They are used in jelly, jam, tarts and good ornamental plants. They are perfect for baking and flavoring in traditional liqueurs.

Uses

  • Fruit are edible
  • Made into juice
  • Used in liquor
  • Jelly
  • Jam
  • Tarts
  • Good ornamental plant
  • Perfect for baking
  • Used as flavoring in traditional liqueurs

Planting

Cloudberries are found in North America, Canada and the United States of America. They are a wild plant that prefers acidic soil, peat moss bogs or sphagnum. To grow them you need to harvest them from the wild buy from nurseries.

Start by finding the plant in the wild then dig up or cut the rhizomes. The best period is June – Augustus then plant in acidic soil in area with full sun. You can use a barrel in sahagum peat moss.

Make sure the soil remains moist but not waterlogged. Bee’s fertilization the flowers while birds will eat your fruits. Make sure you have both male and female plant.

Use fertilizer in the ratio 10-10-10 and water regularly. Root bound plants should be replanted in additional pots or the garden. Maintenance is minimum because they are wild plants and hardy.

guide to grow red and white currant

Growing from Seeds

Growing them from seeds is difficult and very challenging. The seed coat is tough and require sanding or processing, soaking in bleach/water, some in GA3.

Harvesting

There is huge demand for the berries however they are not widely cultivated. Most products found in stores are from wild cloudberries.

When the berries become amber it is time to harvest. There is huge demand in Finland, Norway and Sweden.

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