Convolvulus cneorum
Silverbush, Bush morning glory
- Height × spread
- 0.5m × 0.8m
- Position
- Full sun
- Hardiness
- Average winter to - 10C (RHS H4)
- Flowers
- Spring, Autumn
Availability
Generally available in Spring & Autumn
Many plants are seasonal. Call 01234 567890 to check current stock.
About this plant
This is a lovely plant for a dry spot, or in the rock garden where it is particularly suited to the display of the silvery foliage. It has conical pale pink and white flowers in May, sometimes with a repeat show in September. The foliage is a silvered green, rather silky and shiny looking.
- Flower colour
- White
- Foliage colour
- Grey
- Variegated
- No
- Scent
- No
- Shape
- Dome
- Height
- 0.5m
- Spread
- 0.8m
- Season of interest
- Spring, Summer, Autumn
- Flowers in
- Spring, Autumn
- Evergreen
- Evergreen
- Garden style
- Seaside garden, Rock garden, Mediterranean garden, Gravel garden
- Sun or shade
- Likes full sun
- Soil type
- Chalk, Gravelly soil, Loam (normal), Poor soil, Sandy soil
- Soil pH
- All types
- Drainage
- Well drained soil, Dry soil, Drought resistant
- Hardiness
- Average winter to - 10C (RHS H4)
- Borders & containers
- Borders and containers
- Use for
- Structural, Sensory garden (tactile)
- Hazards
- No
- Pet safe
- Yes – listed in our pet-safe plants
Spring
Spring-Autumn · Outdoors
Water in dry periods
Established plants in the ground can cope with 7-10 days of dryness, and shrubs often manage 2 to 3 weeks. Water one section of the garden thoroughly each day rather than a little everywhere. Check plants in pots more often, especially in hot weather.
Spring - early-mid · Planting
Divide when too large
The plant can be divided if it becomes too large or another plant is required. This may involve physically dividing the clump in two, removing offsets or small bulbs or dividing rhizomes. The new plants can be grown in pots or planted in the ground.
Spring-Autumn · Planting
Prune lightly after flowering
Give the plant a light haircut, generally tidying it up and removing any shoots that are wayward or damaged in any way. Dead flowers can be cut off if this is practical - the shrub may have too many, or they may be hard to reach.
Summer
Summer - early · Outdoors
Feed a general fertiliser
Where plants have moderate needs for nutrients, they can simply be given a general feed, fairly early in the growth season so that the growth has plenty of time to harden off before the cold weather.
Give plants a general boost with the application of a general purpose fertiliser which is spread around the root area of the plant, with amounts as directed on the feed label.
Planting & general
Outdoor planting · Planting
Add root growth stimulant to the planting hole
Mycorrhizal fungi helps roots establish quickly, so they absorb water and nutrients more efficiently. It comes as a powder, granule or gel. Add to the planting hole or container, and to the plant's rootball before planting in the hole. For "bareroot" plants use a gel.
Found in
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Convolvulus tricolor
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Convolvulus sabatius - dark-flowered
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Convolvulus tricolor 'Blue Ensign'
Dwarf morning glory, Annual morning glory