rhubarb 'Raspberry Red'
rhubarb Raspberry Red crown
- Position: full sun
- Soil: any, except waterlogged soils
- Rate of growth: average
- Other features: the leaves may cause severe discomfort if ingested; the scarlet leaf stalks are excellent for making pies, jams and wine
- Hardiness: fully hardy
Raspberry Red is a recent Rhubarb cultivar producing high quality deep red thick stalks without the need for forcing. It is a relatively early cropper and it has a deliciously sweet flavour. It is ideal for well-drained areas of the vegetable garden, and once planted it should not be moved. The plant would benefit from a generous annual mulch of well-rotted compost or manure.
- Garden care:Rhubarb crowns (or sets) are sent out in a packet containing a little compost or peat, but are generally considered as ‘bare root’. They will just look like a section of root, but as soon as they arrive they should be unpacked and planted out within a few days.
Rhubarb needs an open, sunny spot with fertile, moist but freely-draining soil. Heavy soils should be avoided as overly-wet conditions in winter may rot the crowns. Rhubarb does need a cold period before it will start to put on new growth in spring, however hard frosts may damage the newly emerging growth, so try not to plant in a frost pocket if you can. Prepare the bed well by removing weeds and digging in composted manure, and plant the crowns at intervals of 75cm - 1m, making sure the dormant buds are just below the surface of the soil. Keep well watered and in spring apply a dressing of composted manure, making sure you avoid covering the crown of the plant. Sulphate of ammonia can be applied in summer. It is important that the stalks are not harvested in their first year as this will adversely affect the plants vigour, but cut any old, yellow leaves off after they have faded and remove all the leaves after they have died back in autumn. You should also remove any flowering stalks which appear. In the second year, you may start to harvest some of the stems, but restrict yourself to between a third and a half of the total crop, leaving the rest to mature on the plant. In subsequent years, stems can be harvested from late spring up until mid to late summer, although the stems tend to become tougher and less tatsy towards the end of the season. Allowing some late-developing stems to develop fully will also help the plant generate more energy for the following years crop.
If you want an early (usually more tender) crop of rhubarb, you can 'force' some early varieties - 'Timperley Early' is the best for this. Simply cover a healthy crown in mid-winter with a rhubarb forcer or tall bucket. This can be insulated (which will speed up the process even more), by packing some straw or compost around the outside of the lower part of the forcer. The shoots will soon appear and these should be harvested within 2 - 4 weeks. A crown that has been forced, should be allowed to produce its crop naturally in the following year.
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Q:My rhubarb looks spindly and weak - what do you think is wrong?
My rhubarb looks very poorly - practically no crop at all this year. What have I done wrong?Asked on 10/15/2006 by Marjory McIntyre
A:Rhubarb is usually a very tough plant and generally doesn't succumb to many pests. It does however suffer from crown rot, which causes the terminal bud to rot and the tissue below the crown to decay. This means that any stems that do appear are spindly and dull coloured. Unfortunately there is no cure for it and badly infected plants should be dug up and burnt. You should also not re-plant another rhubarb in the affected area.Answered on 10/16/2006 by Crocus
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