PLEASE NOTE: Since plants are often sourced from the garden to order, sizes do vary a little, depending on how they come out of the ground, but I always endeavour to give a little more rather than less! They are sometimes shipped bare-rooted, but will approximate the size specified (e.g. a 9cm pot).

Helianthemum nummularium
Common rock-rose
Currently unavailable
Type/Hardiness Herbaceous, Perennial, Hardy
Flowering period
Height 12-18in/30-45cm
Light preference Sun
Soil preference Well-drained
Sowing time/depth Spring, Autumn, Surface
Loved by bees and butterflies, this diminutive shrub has tiny, narrow, dark-green leaves which are topped with masses of small, bright yellow flowers in summer.
Sowing and/or growing instructions
Although very small, the seeds of the rock rose have a very hard seed coat and germination can be slow and erratic. Spring-sown seeds (under glass) are best lightly scarified, which can be done between two sheets of fine sandpaper. However, early-autumn sowings in a cold frame may be a better option, so that microbial activity over several months can help break down the seedcoat, for germination in spring. In either case, sow thinly on the surface of good quality compost, covering with a sprinkling of sieved compost or fine vermiculite, growing on seedlings in individual pots or modules and planting out well-drained soil when large enough.
Latest additions to Norfolk Cottage Garden Seeds & Plants
Blue Eco-Friendly Wooden Plant and Seed Labels Berkheya purpurea Viola cornuta 'Back to Black' Pseudofumaria Syn. Corydalis lutea Euphorbia characias subsp. wulfenii
Blue Eco-Friendly Wooden Plant and Seed Labels Berkheya purpurea Viola cornuta 'Back to Black' Pseudofumaria Syn. Corydalis lutea Euphorbia characias subsp. wulfenii  
Norfolk Cottage Garden - Wooden Seed Labels
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