Helianthemum 'CERISE QUEEN'

Helianthemum 'CERISE QUEEN'
rock rose

SIZE/TYPE	low or groundcovering
	low perennial
USUAL HEIGHT	0.1-0.2m
USUAL WIDTH	0.3-0.8m
COLOUR OF LEAVES	green
COLOUR OF FLOWERS	+multicolored:deep pink and red
BLOOMING TIME	May - June
LOCATION	full sun
USDA zone (lowest)	5 (down to -29°C)
WINTER PROTECTION
FOR ZONE 5+6
FOR ZONE 7
BELONGS TO CATEGORIES	Perennials Evergreen broadleaf

Rock roses are popular ground-covering perennials available in many attractive colours. Not many of them boast double or even semi-double flowers but this one does. Its name is Cerise Queen and produces fully double, pastel rosy red flowers with small yellow flares at the base of each petal near the centre. Flowers open from nodding buds for about 4 weeks, beginning in late May. In summer it sporadically re-blooms offering a few flowers on the plant every now and then.

Once the main flowering season has finished (late June) reduce the size of the whole plant to a half by trimming. It will encourage growth of new foliage and the plant will look tidy and bushy until the next spring. Rock rose is a low, ground-covering or mound-forming semi-woody perennial with evergreen foliage. The short and linear leaves are rosemary-like, medium green, and glossy. Pruning may be followed by a dose of a good fertilizer if you want a bushy and lush looking evergreen cushion.

Rock roses are low, spreading plants, ideal for rockeries or dry slopes that grow well in common garden soil, too, provided it is well-drained. They love full sun and neutral to slightly alkaline soil that must not remain wet. Hardy to about -29°C (USDA zone 5).

Last update 12-12-2019

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GLOSSARY

STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
SHRUB - a woody plant with branches growing bushy from the ground level.
HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.