rock palm
Brahea salvadorensis
Corypha dulcis
A palm, up to 7.5m high, with a single trunk, spiny leaf stalks, green or slightly blue-green leaves, divided into about 30-50 lobes, and panicles 3m long of cream flowers in summer, followed by rounded green-brown edible fruit, about 6mm long
4-8 metres
2.5-4 metres
| Season | Stem | Flower | Foliage | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
In frost-prone areas, grow young specimens in full light as houseplants or under glass at 5-15°C in peat-free, loam-based potting compost, water moderately and apply a balanced liquid fertilizer monthly while in growth, water sparingly in winter, and pot on or top-dress in spring - for more advice, see palm cultivation indoors; in frost-free areas, grow in well-drained soil in full sun; will tolerate poor, dry soil, and though frost-tender will survive short periods at 0°C - for more advice, see palm cultivation outdoors
Sow seed at 23-27°C in spring
No pruning required
May be susceptible to glasshouse red spider mite and scale insects
Generally disease-free