
LIFE CYCLE
Perennial
PLANT CHARACTERISTICS
pollinator-friendly
GROWTH HABIT
mound-forming
BLOOM SEASON
Early spring
FLAVOUR PROFILE
Ornamental
SUITABLE FOR
Outdoor
SEED TYPE
Open pollinated
PLANT TYPE
Perennial flowering plant
PLANTING SEASON
Spring / Autumn
FRUIT SIZE
N/A
PLANT HEIGHT
30–50 cm
LIGHT REQUIREMENT
Partial / Full Shade
WATER NEEDS
Moderate
HARDINESS ZONES
Perennial (USDA 5–8)
CONTAINER GARDEN
Yes
PLANT SPACING
25–30 cm
PLANTING DEPTH
Surface sow / lightly pressed
GROWING CONDITIONS
Well drained soil
Frequently Asked Questions
Why is this plant called "Saxifraga"?
Why is this plant called "Saxifraga"?
The name comes from Latin for "rock breaker," a reference to the plant's habit of growing in rocky crevices; it was traditionally linked to old herbal folklore about dissolving kidney stones, though that's a historical belief rather than an established medical use.
The listing lists a height of 30–50 cm, but true Saxifraga caesia is known as a tiny cushion plant; which is accurate?
The listing lists a height of 30–50 cm, but true Saxifraga caesia is known as a tiny cushion plant; which is accurate?
That's worth double-checking, since the true species typically forms a very low, tight cushion just a few centimeters tall, notably shorter than the 30–50 cm listed here.
What does "crevice planting" actually involve for this species?
What does "crevice planting" actually involve for this species?
It means tucking the plant's roots into narrow gaps between rocks, mimicking its natural alpine habitat and providing the sharp drainage it needs to thrive.
Is winter wetness more dangerous to this plant than winter cold?
Is winter wetness more dangerous to this plant than winter cold?
Yes, alpine saxifrages are often more vulnerable to rot from soggy winter soil than to cold temperatures themselves, so drainage matters even in dormancy.
How long does it take for the cushion to fill in and look established?
How long does it take for the cushion to fill in and look established?
As a slow-growing alpine, it can take a few seasons for the mat to fill out fully, so patience is needed compared to faster-spreading groundcovers.
Is this a true species, or one of the many garden hybrid saxifrages sold commercially?
Is this a true species, or one of the many garden hybrid saxifrages sold commercially?
This is a true wild species rather than one of the many bred garden hybrids common in the trade, which may appeal specifically to alpine plant purists.