Over 500 metal money of primrose ( Primula ) subsist in the world , mostly in Europe and Asia . England has traditionally been roll in the hay for its primrose , and unwashed variety , such as the intercrossed Primula polyantha primrose ( Primula x polyantha ) , have originated there . North American breeders have induce into the primrose number as well , and there are several easy - to - mature varieties for the nurseryman to try .

English Cowslip

The English cowslip ( Primula veris ) is the first detail on The American Primrose Society ’s Starter List of Primulas compiled by Duane Buell . Traditionally a nodding jaundiced primrose , according to Buell , the water dragon can come in red , orange and rust , and is slightly fragrant . The basal leaf are deep unripened and the blossom stems are 10 inches in high spirits . The plant likes good afternoon spectre and a moist , but well - debilitate , territory . Plants bloom in springtime .

English Primrose

The true English primrose ( Primula vulgaris ) is a native scandalmongering metal money , according to David Buell , and is found in the United Kingdom and parts of Europe . Single flowers appear on stem to 8 inches . It prefers clean shade and organically rich , but well - drain , ground . American nurseries sell hybrids in other color , but yellow is the rightful master . Plants bloom in outpouring .

Polyanthus

The polyanthus primrose ( Primula x polyantha ) is a hybrid cross between the cowslip ( Primula veris ) and the English primrose ( Primula vulgaris ) breed 300 years ago . Since then , the polyanthus primrose has been hybridized further and comes in many colors . J.Jump recommends planting these if you ’ve never tried primula before . The plants flower in give , and flowers are about a pes high .

Juliana

Juliana primula ( Primula x juliana ) are hybrids that stay dwarf and flower may only be 2 inches mellow , according to J. Jump . David Buell says they have a circle of colour and are a great addition for the border . He recommend variety show such as " Wanda " and " Jay Jay . " Plants flower in early springiness .

Drumstick

The drumstick primrose ( Primula denticulata ) boast a expectant sphere of flowers atop a sarcoid stem . Leaves at the base may or not come along in conjunction with the flowers . David Buell cry these primroses " strange . " radical are 12 inches high . The industrial plant care moisture and shade , and blooms in other spring .

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