Rock Rose (Helianthemum) & Sea Holly (Eryngium Planum) Seeds

Rock Rose
Hardy Annual
Helianthemum or Rock rose is a low growing garden variety that thrives in dryer conditions such as rockeries or border edges. As its low growing it creates great ground cover and the colourful flowers really stand out against the grey-green foliage.

Sow Outdoors: March - April
Flowers: April - May - July

Direct Sow
Rockrose prefer to be in dry sandy soil and a sunny position. Surface sow seeds into fine, damp soil direct outdoors where they are to flower. Always sow seeds after all risk of frost has passed and the ground is warm and moist. Germination 14-21 days.
Thin seedlings as they start to emerge to 15cm apart and remove competing weeds during growth.
Growing height: 20cm

Sea Holly
Hardy Perennial
Ideal for hot dry conditions, Sea Holly or Eryngium produces cone of electric blue flowers surrounded by a spikey collar. Loved by pollinators, Sea Holly is a great addition to any wildlife garden.

Sow Indoors: January - April
Transplant: April - May
Flowers: July - September

Sow indoors
Sow seeds into a pot of good quality compost and lightly cover. Position the pot in a warm sunny location and keep the compost damp to the touch but not wet. Germination 14-21 days.
Once seedlings emerge, turn the pot regularly to prevent plants from growing towards the sun. Once the risk of frost has passed, plants can be moved outdoors. Harden off by placing plants outdoors during the day and bringing them back indoors at night. Repeat this for 7 - 10 days to acclimatise the plants. Plants can then be transplanted into the final position in beds or containers.
Plant height: 90cm