- Botanical Name
- Eryngium planum
- Plant Type
- Evergreen perennial
- Size (HxW)
- ‘Silver Salentino’: 40-90cm x 30-50cm. ‘Tetra Petra’: 30-70cm x 30-45cm
- Depth & Spacing
- Plant at the same level as in the pot with the roots spread below soil surface, space 30-50cm apart.
- Soil
- Moderately fertile to humus rich, well drained soil. They are tolerant of excessive lime, acid, gravel and poor soils but won’t tolerate wet boggy sites.
- Aspect
- Full sun to light shade – you need a good dose of sun for the best colouring.
- Climate
- Cool to Mediterranean
- Frost
- Hardy
- Water
- Water to establish, this takes 4-6 weeks of regular watering, then only if rainfall is low.
- Fertiliser
- A light application of a well balanced fertiliser early spring, they aren’t heavy feeders and too much can result in lanky plants.
- Flowering Time
- Late spring to late autumn
- After Flower Care
- Remove spent flowers to encourage more, they stand for a long time.
- Notes
- Cut back hard if foliage becomes untidy in winter/early spring. Good cut flowers and suitable blooms for drying. Seed can be collected for sowing.
Seaholly 'Tetra Petra'
Shop Seaholly 'Tetra Petra'
Seaholly 'Tetra Petra'
Seaholly 'Tetra Petra'