Species petrorhagia
small, white-pink flowers with white, long stamens, and dark-green stem

petrorhagia

Petrorhagia saxifraga

Petrorhagia (Petrorhagia saxifraga) is an attractive clump-forming perennial that produces a basal rosette of brightly coloured, dissected foliage. In spring, it produces sparsely branched spikes of small, star-shaped, purple-pink flowers. This low-maintenance plant is ideal for rock gardens or as ground cover in sunny gardens. Petrorhagia prefers a well-draining soil in full or partial sun, and is tolerant of drought and temperatures as low as 0°C. It spreads slowly and can be divided in autumn or spring for propagation. With minimal care and maintenance, it will reward gardeners with beautiful colour and texture all summer long.

Cycle:

Herbaceous Perennial

Watering:

Average

Propagation:

Seed Propagation,Division,Cutting

Hardiness Zone:

5 - 7

Flowers:

Pink Flowers

Sun:

Full sun

Leaf:

Yes

Growth Rate:

Low

Maintenance:

Low

Drought Tolerant:

Yes

Salt Tolerant:

Yes

Care Level:

Medium

watering

Petrorhagia saxifraga is a low-growing plant species that requires very little water. When watering Petrorhagia saxifraga, it is best to keep the soil just barely moist and never saturated. Water the plant only when the soil starts to dry out, typically around once per week. During periods of excessive heat and drought, Petrorhagia saxifraga may require a little extra water, especially if planted in a pot or container. As a rule of thumb, water the plant when the top inch of soil is dry. Avoid overwatering, as this can lead to root rot and other problems.

sunlight

Petrorhagia saxifraga, commonly known as saxifrage, thrives best in bright, indirect sunlight. It should have exposure to 4-6 hours of dappled sunlight per day, with the ideal amount of direct sun being an hour's worth in the morning and an hour's worth in the evening. Direct sun exposure during the middle of the day should be avoided. Additionally, the plant should be protected from strong winds.

pruning

Petrorhagia should be pruned twice a year, once in the late spring, before it begins to bloom, and again in late summer, after flowering is done. During pruning, clip off any dead growth and selectively cut back long shoots to create a more natural, full appearance. You can remove up to a third of the length of the stems during pruning as well as any crossed branches that are growing too close together. This care will ensure that the plant remains healthy and will encourage more blooming.

Season

Fall
Winter
Spring
Summer
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Starts Flowering

Petrorhagia saxifraga typically starts flowering in April.

Hardiness Map