EUPHORBIA hybrid ‘Diamond Frost’

Diamond Frost –

0007 The light airy spurge Diamond Frost® has quickly gained fame as a reliable heat-tolerant bedding annual. It blooms continuously through the growing season producing fine lacy white flowers above delicate bushy plants. This truly deer resistant annual was bred in Germany by Garry Grueber and first introduced in 2004.

A native to tropical areas in Mexico, Central America and South America, hypericum-leaved spurge is a small roadside and field weed and has recently been cultivated as a garden bedding plant. It is a small, upright, airy spurge that produces small, lacy white flowers when growing conditions are warm. It is a frost tender annual that may survive as a short-lived perennial in winter-free zones. Cultivated varieties have larger flowers than wild-type and denser, bushier habits. They are low-growing and suited to flower garden and container edges.

The fine leaves of this spurge are linear, dark to light green and smooth. White, milky sap is emitted when the leaves or stems are broken. Delicate white flowers are produced and will continue blooming for much of the growing season. Wild forms produce lots of seed and tend to be weedy.

Grow this sweet euphorb in full to partial sun. It thrives in very well-drained soil with average to good fertility. Refrain from overwatering, as this can cause root rot, and allow the soil to dry a bit between watering. The best known cultivated variety is Diamond Frost®, a large-flowered, vigorous form that adds effusive beauty to hanging baskets and garden edges.

This species has become naturalized in tropical and subtropical areas worldwide and is considered a weed in the Old World.

Winchester Gardens generally stocks this item. 

Common:
Cultivar:
Class:
Zone:
Blooms:
Bloom Color:
Foliage Color:
Evergreen:
Drought Tolerant:
Shade Tolerant:
Full Sun:
Partial Sun:
Deer Resistant:
Attracts Butterflies:
Height:
Width:

Diamond Frost
Diamond Frost
Annual
6
Summer, Fall
White
Green
No
Yes

Yes

Yes

10-14″
10-14″

Site Selection
Plant your Euphorbia in full sun to part shade in average to rich, well-drained soil, and Euphorbia polychroma will tolerant dappled shade. Add compost or peat humus to enrich and loosen the soil if needed, but they are very adaptable to almost any soil conditions provided they are never wet. Remember to keep the soil light and airy for perennials, so cover them with loose soil and don’t pack it in after planting.

Planting Instructions
Amend your garden with compost or peat humus to enrich or loosen the soil, if needed, however Euphorbia are very adaptable to any good, loose, well-draining soil. Mix a couple teaspoons of garden food or bone meal into the planting hole if desired. Plant the roots as listed above, then water in once. They prefer a slightly dry start when they are dormant in spring and have no foliage. Once they are actively growing it is alright to give them supplemental water once a week, if needed.

Care
Euphorbia do not require much moisture, even after they are actively growing. Early season plantings (April and May) and plants that have no foliage should be started on the dry side. During that time we like to water once and then we don’t water again until the foliage has started to emerge, then we water only rarely if the soil is very dry. They are quite drought tolerant once established.

Companion Plants
Angelonia – Angelonia’s purple, white, or pink flowers are perfect accents to Diamond Frost euphorbia’s frothy white flowers.
Coralbells – Purple, bronze, or chartreuse coralbells make a beautiful textural contrast to Helena’s Blush euphorbia.
Cosmos – Cosmos, especially white selections, looks great with a planting of snow on the mountain euphorbia.

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