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Fruit EdibleHerbaceous Perennial

Rheum × hybridum 'Reed's Early Superb'

rhubarb 'Reed's Early Superb'

A vigorous maincrop cultivar with long, straight, medium to thick stems which are succulent and tender. Bright red colour grading to dark green. Has exhibition potential

Synonyms

Rheum × hybridum 'Reed's Early'

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Ultimate height

1–1.5 metres

Time to ultimate height

2–5 years

Ultimate spread

1.5–2.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Polygonaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
Potentially harmful: Harmful if eaten, except cooked leaf stalks. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten, except cooked leaf stalks - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Rheum are robust rhizomatous herbaceous perennials with large, simple or palmately lobed leaves and tall leafy stems bearing large panicles of tiny flowers
Name status: Unresolved

How to grow

Cultivation

Any fertile garden soil can be used for rhubarb as long as it is well-drained and in full sun. Crowns (""sets"") can be cropped for ten or more years, though division may be necessary after about five years. Plant crowns in November or December and up to the beginning of March if necessary. A spring mulch of well-rotted organic matter 7cm (2 1/2in) deep will help to retain moisture but do not bury the crowns. Plants will also respond to watering during prolonged dry periods in summer. Apply a general fertiliser such as growmore in spring or summer at 70g per sq m (2oz per square yard)

Propagation

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

Suggested planting locations and garden types

Patio and container plants
Low Maintenance

Pruning

Remove any flower heads that may develop. Allow the foliage to die back naturally in autumn then cut away the old leaves to expose the growing points to winter cold

Pests

May be susceptible to stem and bulb eelworm, swift moth caterpillar, and to slugs and snails on young growth

Diseases

May be susceptible to honey fungus, downy mildews, grey moulds, crown rot and virus diseases

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