Oenothera macrocarpa / Dwarf Evening Primrose / Ozark Sundrops / Seeds

(Code: B&T_175)

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Oenothera macrocarpa / Dwarf Evening Primrose / Ozark Sundrops / Seeds

A Dwarf Evening Primrose with attractive golden (sometimes red tinged) flowers from June to September.  Plants form a neat mound of leaves in spring, growing to a height of 15-30cm, followed by lemon-scented flowers, which open in the afternoon and evening.  They form good ground and look great in borders and alpine or gravel gardens.

Dwarf Evening Primrose grows best in full sun to part shade and well-drained, poor to moderately fertile soil.  A good choice for stony soils.  Plants are drought tolerant once established and self-seed in good conditions.

Pack of 50 seeds.  Sow in autumn or spring/early summer.  Sow in autumn in a cold frame or spring/early summer indoors. Germination takes 2-4 weeks and can be erratic, so sow more than you need.  Sowing instructions and a colour photo are printed on the packet. 

 

See how your seeds are packed.


Hardiness Hardy deciduous perennial (RHS Hardiness H5)
Flowers June to September
Height 15 - 30cm
Spread 10 - 50cm
Conditions  Sun to part shade and well-drained, poor to moderately fertile soil. 
Sow

Sow in autumn on the surface of a tray of seed compost and keep in a coldframe over winter. Seedlings emerge in spring.  Or sow in spring to early summer on the surface of a tray of seed compost.  Press the seeds lightly into the compost and keep at 18-20C during the day and naturally cool at night.  Germination takes 2-4 weeks.   If there is no germination, move the tray to a fridge for 4 weeks and back into the warmth. Transplant young seedlings into small pots and then outside into the ground or into containers, after hardening off.   

Grow

Plants grow in the first year and start to flower in the second season.  They are deciduous plants, dying down in the autumn after flowering and growing again in spring.  Plants need little attention once established, just clearing up in winter after the plant has died down.  Stem cuttings can be done in early summer but plants often self-seed naturally.