Roscoea alpina - Purple
A tuberous alpine with dark green leaves and purple orchid-like flowers in mid-summer. Height 50cm. Spread 20cm. Herbaceous. Hardy in a sheltered site. Plant no less than 6" deep, in humus rich, well drained, preferably neutral - acid soil. Light position.
For gingers grown in open ground, we recommend a thick layer of mulch to help reduce frost penetration. Planting gingers into raised beds with good drainage or incorporating some extra drainage into the soil when planting can overcome the problem of winter wetness. General fertilizer can be used as gingers are heavy feeders and when in growth feeding and watering can be critical to keep your ginger looking good and healthy. We would recommend adding organic matter each year and liquid feeding seaweed extract fortnightly during the growing period (also good for your home grown veg!).
For northern regions of the UK, other than the warmer coastal areas, the hardier gingers should be sited in full sun, with a deep mulch in the autumn, with the less hardy varieties being brought in for the winter. For southern areas, most varieties can be planted out in full sun through to full shade, with a good winter mulch.
Most ginger can also happily be grown in a container if your garden is on the cold side this is a good option it also allows you to bring the plant indoors prolonging the growingand flowering period. We use a good quality multipurpose compost with a little John Innes Number 3 added. Feed during the growing period with seaweed fertilizer.
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