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Rhubarb Seeds

Propagating Rhubarb  

Seed

• Although the large foliage can help smother weeds, the ground should be free from perennial weeds before planting.
• Dig in one to two bucketfuls of well-rotted organic matter such as manure, before planting.

Planting

• Sow seed in February/April 2.5cm (1in) deep in a seedbed or individually in modules.
• If in a seedbed thin seedlings to 15cm (6in) apart, choosing the most vigorous seedlings.
• The resulting plants will be more variable than named clones.
• Plant out in autumn or the following spring.

Division

Division will guarantee a plant identical to the parent and is the most common method of propagation. It is also good practice to divide established crowns about once every five years if they have become weak or overcrowded. Lift crowns between autumn and early spring (usually in November).

Use a spade to divide the crown into sections each retaining a portion of the rhizome (thickened root) and at least one growing point. Sections from the outer part are better than the centres of old plants. Discard any old or decayed parts of the crown. Replant straight away or wrap in damp sacking until ready to plant.