Rue-leaved saxifrage
Saxifraga tridactylites · Saxifragaceae
The gardener's calendar
Ideal time to plant rue-leaved saxifrage: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Deciduous, forming a basal rosette
- Flowering
- Spring (April to June)
- Adult size
- 5 to 15 cm in height
- Growth
- Fast
- Hardiness
- Very hardy (down to -20 °C)
- Origin
- Temperate Europe and Asia Minor
- Soil type
- Well-draining, rocky or sandy soil, poor to moderate
Care
Light exposure
Install the three-fingered saxifrage in full sun or partial shade. It enjoys bright locations for generous flowering. This little plant adapts well to exposed rocks and dry stone walls.
Soil and drainage
This species prefers very well-draining, gravelly or sandy soils. Amend with gravel or coarse sand to improve drainage. It dreads stagnant moisture, especially in winter.
Watering
Water moderately during the growing period, particularly if the soil dries out. Reduce considerably in winter, taking care to avoid water accumulation around the crown. An established plant in natural terrain requires little watering.
Fertilizer
No fertilizer is generally necessary, except when growing in pots. A light application of fine compost in spring is quite sufficient. Avoid excess nitrogen, which promotes foliage at the expense of flowering.
Pruning and maintenance
No pruning is required. Simply remove faded leaves or flowers to maintain aesthetics. This plant is very compact and requires little intervention.
Diseases and pests
This species is generally robust but can be affected by powdery mildew or rot if moisture is excessive. Ensure good air circulation and maintain optimal drainage to prevent fungal problems.
Did you know?
The three-fingered saxifrage gets its scientific name 'tridactylites' from its three-lobed leaves resembling three little fingers. Long ago, this plant was used in folk medicine as a remedy for kidney stones, and it remains highly prized by gardeners specializing in rock gardens and alpine gardens for its legendary hardiness and remarkable compactness.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
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Tips generated and checked by Viridia — adapt them to your local climate.