Height 45cm (18in)

Planting distance 23cm (9in)

Flowers early to late summer

Well-drained garden soil

Sunny site

Hardy annual

Mentzelia lindleyi, sometimes called Bartonia aurea, is a robust, freely branching, slightly sprawling annual some 45cm (18in) high. From mid to late summer it produces a long succession of fragrant, brilliant yellow flowers. These open from gracefully pointed buds into flowers composed of five broad petals arranged around a mass of slender golden stamens. The small narrow leaves are a rich green and set on succulent stems.

This annual is a native of California so it should be grown in full sun. If the weather is cool and cloudy the flowers may fail to open properly. However it does have a reputation for standing up well to wind.


Sow the seeds during early and mid spring in a sunny site where they are to flower. They grow best in light fertile soil, though any well-drained soil gives good results. Cover the seeds with just a little soil. Thin to 23cm (9in) apart.

Pests and diseases

Trouble free.

22. February 2012 by Dave Pinkney
Categories: Annuals, Biennials, Bulbous Plants, Featured Articles | Tags: , , , | Comments Off on Mentzelia


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