How do you care for Watsonia?
The garden plant Watsonia will thrive in well-drained soil where there is full sun exposure. Prepare a bed in fall by adding a generous amount of compost and working it in to a depth of 6 inches (15 cm.). Bury corms 4 or 5 inches (10-13 cm.) deep, spaced 12 inches (31 cm.)
Are Watsonia Hardy?
Watsonia are South African plants which grow from corms like crocosmia or gladioli. Sadly they are half hardy plants even in Cornwall and are therefore best grown in pots in the greenhouse or lifted and taken inside for the winter. Mulching for winter protection is essential.
How tall do Watsonias grow?
30 cm to 1.7 m
Watsonia plants grow from hardy bulbs, and range from 30 cm to 1.7 m in height. Foliage of sword shaped leaves and they bloom in towards the end of summer carrying trumpet shaped flowers on spikes; flowers may be red, pink or white.
Does Watsonia need full sun?
It does best in full sun in well-drained, well-composted soil and although adapted to a winter rainfall climate, will thrive under summer rainfall conditions provided it is grown in well-drained soil.
Can you grow Watsonia in pots?
How to plant Watsonia. Can be grown in a pot buried in the ground during the summer so it’s part of your border, then the pot can be lifted in autumn and kept undisturbed in a garage over winter.
How deep do you plant Watsonia bulbs?
15-20cm deep
Depth & spacing: Plant 15-20cm deep and up to 12cm apart because they will eventually develop into bushy clumps of cascading foliage. Watering: Start watering when growth appears and keep soil slightly moist until foliage dies off after flowering. It is ideal to keep bulbs relatively dry whilst dormant.
Is Watsonia a perennial?
Watsonia borbonica is a tender to half-hardy herbaceous perennial that grows up to 2 m high. It is deciduous, growing during autumn-winter-spring and dying back after flowering in spring to early summer and remaining dormant during summer.
