Saxifraga callosa
Limestone saxifrage
Also known as Saxifraga lingulata, Saxifraga callosa lingulata
- Height × spread
- 0.3m × 0.2m
- Position
- Full sun
- Hardiness
- Cold to -15C (RHS H5)
- Flowers
- Summer
Availability
Please ask in store about availability
Many plants are seasonal. Call 01234 567890 to check current stock.
About this plant
This has long, slender, green leaves that become silvery with limey encrustations. The leaves form rosettes; the leaf size is variable, they may be from 3cm (1in) to 10cm (4in) long. In June, if you are lucky, it sends up an inflorescence of starry flowers. The flowers are generally held on one side of the spike. The plant has lime secreting pores which can be discerned on the margins of the leaves where tiny white dots can be seen. It is very intolerant of standing moisture. This reaches around 30cm (12in) height when in flower with 20cm (8in) spread.
- Flower colour
- White
- Foliage colour
- Green, White
- Variegated
- No
- Scent
- No
- Shape
- Dome
- Height
- 0.3m
- Spread
- 0.2m
- Season of interest
- Summer
- Flowers in
- Summer
- Evergreen
- Evergreen
- Garden style
- Rock garden
- Sun or shade
- Likes full sun
- Soil type
- Chalk, Gravelly soil, Loam (normal), Sandy soil
- Soil pH
- Alkaline
- Drainage
- Dry soil
- Hardiness
- Cold to -15C (RHS H5)
- Borders & containers
- Borders and containers
- Hazards
- No
- Pet safe
- Yes – listed in our pet-safe plants
Spring
Spring - late · Outdoors
Feed with slow release fertiliser
Apply a general purpose slow release fertiliser, spreading it around the root area of the plant as it is coming into growth. (Or apply a liquid feed at regular intervals throughout the growing season.)
This is a simple way to provide a nutrient boost as a single annual procedure.
Spring-Autumn · Outdoors
Water after 2 weeks of no rain
Established plants in the ground enjoy dry or well drained soil, but don't survive long periods without water. When there's been no rain for a fortnight, do a deep water. Repeat after 1-2 weeks when the soil has dried out. Check plants in pots more often.
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.
Found in
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