May require staking, a the blooms can be very heavy
Sow mid summer and pot up three seedlings into a 7cm pot. Grow on, potting up as the plants mature.
Soil temperature should be kept higher than 18°C / 64°F to ensure good germination.Plant out into final flowering position in late summer or autumn, middle to back of a sunny border
Ensure that temperatures are mild (minimum night temperatures should be around -5°C / 23°F) and all chance of frost has passed before planting out, as Hoary stock is a half hardy plant.These estimates for how long Hoary stock takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average 5 days | Min 3 days | Max 19 days (8)
Average 5 days | Min 5 days | Max 5 days (1)
Average 40 days | Min 40 days | Max 40 days (1)
Stock
Matthiola incana (L.) W.T. Aiton