The Wallflower has always had a special place in cottage gardens and today it is one of the most popular plants for late spring and early summer flower displays. Many gardeners use it to provide a brightprior to setting out their summer .
Cheiranthus cheiri originates in Europe and is one of the most commonly-grown varieties. Enthusiasts have developed many good hybrids and cultivars, including dwarf forms.
Wallflowers vary in size from 20-60cm (8-24in), depending on the type grown. They have an erect or a compact growth.
1 Sowin seed trays in May or June. Use a slightly alkaline soil-based (pH 7 or above) to help prevent club . Cover the seed thinly with sand (above).
2 Thewill take about 14 days to germinate. When the are large enough to handle, prick them out into or other containers where they are to grow. Water and regularly throughout the summer.
When the plants are 13-15cm (5-6in) tall, pinch out the tips to encourage theto branch out.
3 You can move the plants into a frost-free place in September or October if you wish. Water the plants sparingly during the winter and do not feed. Ensure that indoor plants are well-ventilated — damp stale air will encourage grey mould.
4 Gradually increasein the spring. Put plants outside again in April or May.
Pests And Diseases
Grey mould can attack plants overwintered indoors if theis too high.
Treatment: Remove the affected parts and spray the plant with a fungicide.
Stunted growth is a sign of club root, which can develop when Wallflowers are grown in the samefor several successive years. The disease is caused by a fungus in the compost and results in badly swollen and misshapen . The gradually wither and eventually drop off.
Treatment: Discard and burn the plants and replace thecompost in the containers.
Side shoots or the entire plant withers in winter as a result of frost damage followed by grey mould.
Prevention: Set nursery-bought plants out as early as possible in the autumn and apply a complete fertilizer to the compost.
This plant is easy to care for and will almost look after itself if grown in a sheltered.
- : Use a soil-based compost that is slightly alkaline (pH 7 or above). Once the plant is established in its there is no need to repot.
- Water generously in the summer and sparingly in the winter.
- Feeding: Feed occasionally in spring and summer with a standard liquid fertilizer.
BEST GROWTH ENVIRONMENT
- Light: The plant likes a sheltered position in full sunlight.
- Temperature: It will tolerate normal summer and winter temperatures, but in very cold areas the can be moved inside into a frost-free place for the winter.
- Young plants are often available in the autumn from garden centres and nurseries. Alternatively, buy seed in the spring for in May or June.
- Choose plants with good growth and healthy leaves. If buying seed check the date stamp on the packet to ensure that the seed is fresh.
- Wallflowers are perennials that are usually grown as .
Very popular in parks and gardens throughout Britain, Wallflower can also brighten a balcony or. It is grown both for its fragrance and its bright and cheerful colours.