How to grow Rock Cress


Aubretia wants little care, and is highly adaptable. Flowers best in full sun the following spring after sowing from seed.
The seed heads can be removed after flowering to conserve the plants energy and to keep the plant tidy

Growing Rock cress from seed

potting mix should drain well and be kept moist but not too wet. Can direct sow in fall for germination with spring rains.
Requires good light

Soil temperature should be kept higher than 10°C / 50°F to ensure good germination.

By our calculations*, you should look at sowing Rock cress about 20 days before your last frost date .

Transplanting Rock cress

When large enough to handle, plant into a sunny, well drained soil at the front of the border or over the edge of pots or containers.
Aubretia prefers a soil containing lime.
Remember that the plant will spread to cover edges and rocks making a close and slowly spreading cushion

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

How long does Rock cress take to grow?

These estimates for how long Rock cress 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 cress to germinate?

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Days to Transplant How long until I can plant out Rock cress?
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Average days | Min days | Max days (0)

Days to Maturity How long until Rock cress is ready for harvest / bloom?
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Total Growing Days How long does it take to grow Rock cress?
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When should I plant Rock cress?

Our when to plant Rock cress estimates are relative to your last frost date.

When to sow The number of days to sow Rock cress before or after your last frost date.
20 days before Last Frost Date

Rock cress Etymology

Named after the french botanist Claude Aubriet.

Other names for Rock cress

Aubretia, lilac bush

Aubrieta Adans.

Misspellings: Aubretia


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