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Raspberry
Raspberry
Scientific Classification
Kingdom: Plantae
Phylum: Angiosperms
Class: Magnoliopsida
Order: Rosales
Family: Rosaceae
Genus: Rubus
Species: Rubus idaeus
Synonyms

American red raspberry
Canby red raspberry
Common red raspberry
European raspberry
European red raspberry
Everbearing red raspberry
Indian summer raspberry
Raspberry
Raspberry bush
Red raspberry
Western red raspberry

Plant Data
Time to harvesting: 142 days
Mature height: 180cm (6ft)
Mature spread: 46cm (1½ft)
Ideal pH range: 5.6 - 6.2
Sow depth: 23cm (9in)
Growing plant spacing: 46cm (1½ft)
Growing row spacing: 180cm (6ft)
References: [1][2][3]
Hardiness Zones
Ideal Hardiness Zones
· · · · 4 5 6 7 8 · · · ·

Raspberry is a perennial plant which bears biennial stems ("canes") from the perennial root system. In its first year, a new stem grows vigorously to its full height of up to 2.5 m, unbranched, and bearing large pinnate leaves with five or seven leaflets; normally it does not produce any flowers. In its second year, the stem does not grow taller, but produces several side shoots, which bear smaller leaves with three or five leaflets. The flowers are produced in late spring on short racemes on the tips of these side shoots, each flower about 1cm (½in) diameter with five white petals. The fruit is red, edible, sweet but tart-flavoured, produced in summer or early autumn; in botanical terminology, it is not a berry at all, but an aggregate fruit of numerous drupelets around a central core. The drupelets separate from the core when picked, leaving a hollow fruit, whereas in blackberry the drupelets stay attached to the core.[4][5][6][7]

PlannerEdit

J F M A M J J A S O N D
Plant

[2]

GrowingEdit

LocationEdit

A sheltered spot is required as shoots can be damaged by strong winds. Full sun is ideal, but raspberries will tolerate partial shade.[2]

SoilEdit

Raspberries require a pH of around 5.6 - 6.2[3], not too heavy and rich in organic matter. The primary concern, however, is waterlogging. Raspberries will die quickly if their roots stand in wet, airless earth for long periods.[2]

PreparationEdit

One month before planting; dig a trench 45cm (18in) wide and 23cm (9in) deep. Remove all weeds. Add a bucketful of compost or rotted manure every 1m (3ft) and spread across the bottom of the trench. Fill the trench back in and apply growmore[2]

PlantingEdit

Dig into the site of the re-filled trench to 7-8cm (3in) deep and 30-45cm (12-18in) wide. Fan out the roots of the raspberry canes and place in the bottom of the trench with them spread evenly across the floor. Replace the soil to the original level and consolidate by gentle treading. If possible; cut back the stem to a bud 30cm (12in) above the soil level. Water in place thoroughly.[2]

SupportEdit

Summer fruiting varieties will need support. There are many configurations of support system to choose from including wire, string or chain strung between supporting poles to wire the canes onto. Consider the amount of space available and the expected height of your crops and create a system of support onto-which the canes can be tied at spacings of approximately 30cm (12in) starting from 75cm (2½ft) from the ground.[2]

Seasonal careEdit

Raspberries are a thirsty crop. Water regularly during the first season if the weather is dry and ensure the soil is moist when the fruit is swelling.

Keep weeds at bay by hoeing regularly. Avoid damaging the roots growing near the surface by hoeing too deeply.

Apply a general fertiliser around March and apply a mulch of well-rotted manure or compost to keep the soil cool and moist and to suppress weeds.[2]

Summer fruitingEdit

New canes

In the first spring, cut the original cane down to near ground level once the new growth appears.[2]

Remove any flowers which may appear on the canes in the first summer after planting.[2]

Established canes

Immediately after harvesting cut down all the canes which have fruited, retaining the best 6-9 young, unfruited canes and tie to wires 7-10cm (3-4in) apart.[2]

In February cut back tall growth to 15cm (6in) above the top wire.[2]

Autumn fruitingEdit

In February cut down all canes to just above ground level. Tie new canes to wires with soft twine as they grow in the spring.[2]

HarvestingEdit

Pick fruits when they are fully coloured, but still firm. Pull each raspberry away from the stem gently, leaving the plug and stalk behind. Avoid picking wet fruit as this will go mouldy quickly.[2]

PreservingEdit

Eat or freeze picked fruit as soon as possible. Small, slightly unripe fruits are the best for freezing.[2]

TroublesEdit

Full troubles list: Raspberry troubles

ReferencesEdit

  1. Common Rasberry. myfolia. Retrieved: 2010-09-19.
  2. a b c d e f g h i j k l m n o Hessayon, D.G. (2009). The Fruit Expert. Transworld Publishers, London. p. 70. ISBN 9780903505314
  3. a b Handley, D.T. (2006). Growing Raspberries and Blackberries. The University of Maine. Retrieved: 2010-09-19.
  4. Flora of NW Europe: Rubus idaeus
  5. Flora of China: Rubus idaeus
  6. Blamey, M.; Grey-Wilson, C. (1989). Flora of Britain and Northern Europe. ISBN 0-340-40170-2.
  7. Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan ISBN 0-333-47494-5.
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