How to Grow Euphorbia Diamond Frost Flowers

Written by james marshall
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Diamond Frost is the trade name for the Inneuphdia variety of Euphorbia hypericifolia. It is a flowering plant closely related to the poinsettia, although it does not resemble a poinsetta. Euphorbia hypericifolia has grey-green foliage with small, white flowers and looks like baby's breath. Plants of the Diamond Frost variety have a more uniform appearance and branch more freely that other varieties of the species. Home gardeners value Diamond Frost as a houseplant, and you can also grow it outside in warm climates.

Skill level:
Moderately Challenging

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Things you need

  • Planter
  • Potting soil
  • Water
  • Gardening trowel

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  1. 1

    Select the right climate for Diamond Frost. This plant is hardy to 4.44 degrees Celsius, so you can grow it outside as an annual in United States Department of Agriculture hardiness zones 10 and 11. You can also grow Diamond Frost inside or as a perennial in climates colder than USDA Zone 10.

  2. 2

    Select the planting site for Diamond Frost plants. It prefers full sun, but can also grow in partial shade. Place Diamond Frost plants in a sunny window if you grow it indoors. This plant can tolerate salt, if it is more than 30 feet from the source of the salt.

  3. 3

    Prepare a planting site in a planter or garden with ordinary potting soil. Make the holes 10 to 12 inches apart. Place the seeds in the holes and cover them with a thin layer of soil. Water the seeds to make the soil thoroughly moist.

  4. 4

    Water Diamond Frost plants once a week if it is in a planter. Outside, plants should only require weekly water until the they establish their root system. This plant is also very tolerant of heat and drought.

  5. 5

    Maintain Diamond Frost plants. You should only need to cut the plants back for cosmetic reasons, as it doesn't require deadheading. Fertiliser or compost can help ensure the best possible growth, although Diamond Frost plants generally don't require supplemental fertilisation.

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