How to grow Rock Soapwort

Saponaria ocymoides

Full Sun
OR
Partial Sun
Low

Tag reads: “Blooms late spring to early summer. Plant in full sun. Prefers well-drained soil. Adaptable to infertile or sandy soil. Grows 8-10” (20-25 cm) tall. Space 20" (51 cm) apart. USDA Zone 3 (-40 degrees F) to USDA Zone 8 (10 degrees F)."

Transplanting Rock soapwort

Tag reads:
“Abundant flowers create a striking display in a rock garden, as a small-scale ground cover, or cascading over walls. …”

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Rock soapwort is a hardy plant.

Harvesting Rock soapwort

Tag reads: “Shear lightly after blooming for best appearance.”

How long does Rock soapwort take to grow?

These estimates for how long Rock soapwort takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Days to Germination How long does it take Rock soapwort to germinate?: 24 days
Average 24 days | Min 5 days | Max 64 days (5)
Days to Transplant How long until I can plant out Rock soapwort?: + days
Average days | Min days | Max days (0)
Days to Maturity How long until Rock soapwort is ready for harvest / bloom?: + 237 days
Average 237 days | Min 13 days | Max 351 days (3)
Total Growing Days How long does it take to grow Rock soapwort?: = days

Rock soapwort Etymology

“This species contains saponin glycosides…” and will foam if crushed and rubbed. …can be used as soap… It is toxic if eaten.

Other names for Rock soapwort

Splendens (pink variety), Snow tip (white variety), Tumbling Ted

Footnotes

John Henry Portrait Tag

etymology from entry on saponaria