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Hypericum calycinum
Hypericum calycinum

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Zone
Zones 3-9, 14-24, 31, 32, 34, H1
Full SunPartial Sun
Full, Partial
Regular Water
Moderate

Hypericum x moserianum

Gold Flower
Hypericaceae
Deciduous, Evergreen, Shrubs

HYPERICUM

All bear single flowers with a prominent sunburst of stamens in the center. Shal­lowly cup-shaped, five-petaled blooms range in color from creamy yellow to gold; flowers may be solitary or in clusters. Neat, fresh green foliage. Various species are used for mass plantings, groundcovers, informal hedges, or borders. Grow especially well in mild, moist regions.

A difficult-to-control rust is extensively infecting plantings (especially those of the species H. calycinum) in the Pacific North­west. Remove and destroy blighted leaves and any leaf litter; avoid overhead watering of plants in the evening.

Hypericum x moserianum

This evergreen shrub acts like a perennial that dies to the ground in the coldest part of its range. It has a mounding habit to 3 ft. tall and wide, with arching, reddish stems. Leaves are 2 in. long, medium green above, blue green beneath. Golden yellow, 2 1/2-in.-wide blossoms are borne singly or in clusters of up to five. Blooms in summer, possibly into fall. Cut back in early spring.

‘Tricolor’ has gray-green leaves edged in white and tinged with pink.

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