Q-There are three different primroses blooming in pots at my nursery. Which one can cause a rash? I prefer not to wear long rubber gloves while gardening. A-”Poison” primrose is Primula obconica, a ...
Crosby, J L. 1949a. Evolution from heterostyly to homostyly in natural populations of Primula vulgaris. Proc 8th Int Congr Genetics 1948, Hereditas (Suppl), 554–555 (Abst.). Crosby, J L. 1949b.
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One of the easiest primulas to grow, Primula denticulata bears ball-shaped clusters of flowers in pink, white or purple on thick stems up to 18in tall before the new leaves develop. They continue ...