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Succulent Euphorbia 'Trigona Rubra'

Succulent Euphorbia 'Trigona Rubra'

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  •   Euphorbia 'Trigona Rubra', also called African Milk Tree, is a succulent shrub native to central Africa with thick, triangular stems and an upright form. The plant belongs to the Euphorbia genus, a large family of succulents known for their architectural presence and low water needs.

      The stems of 'Rubra' are deep forest green with white variegation running along the ridges, creating vivid contrast that intensifies in strong light. The plant grows with a columnar, tree-like structure, developing multiple branches as it matures, and typically reaches 3 to 6 feet tall indoors over time. Small leaves emerge along the stems but are often sparse, allowing the geometric form of the plant to take center stage. The growth pattern is slow, so the plant maintains its shape without frequent pruning.

      'Rubra' produces small yellow flowers in spring under ideal conditions, though flowering is uncommon indoors and blooms may not appear reliably. The plant is grown primarily for its architectural foliage and stem structure rather than its flowers. Its sculptural form and low-water tolerance suit modern interiors and minimalist plant collections.

      You can leave it up to ten days without water. Move it outside in summer, but keep it covered from direct rain to prevent water damage to the stems. The sap of 'Rubra' causes skin irritation and can cause paw irritation in pets, so it should be kept on a high shelf out of reach of cats, dogs, and small children. It is sensitive to air from air conditioners and heaters, so position it away from vents. 'Rubra' grows well in direct sun but also tolerates low-light locations, giving flexibility in home placement. The plant tolerates dry heated air well, making it resilient in most indoor climates.

  •   Euphorbia 'Trigona Rubra' grows well in direct sun but tolerates low-light locations, growing slower in dimmer conditions.

      Water it every 14–21 days during the growing season, allowing the soil to dry completely between waterings.

      'Rubra' grows well in cactus or succulent potting mix with added perlite for drainage.

      It prefers temperatures between 60–75°F and should be kept away from air conditioning and heating vents.

      'Rubra' is a slow-growing upright succulent that benefits from diluted succulent fertilizer applied once in spring and summer.

      It is hardy in USDA zones 10–11, tolerating temperatures down to 35°F without frost damage. It grows outdoors year-round in southern Florida, Hawaii, and the warmest regions of southern California and Texas.
  • Q: How often should I water Euphorbia 'Trigona Rubra'?
    A: During spring and summer, let the soil dry fully between waterings. In fall and winter, reduce frequency to once monthly or less.

    Q: Which window direction works best for light?
    A: Euphorbia 'Trigona Rubra' develops the strongest stem color and growth in a south or west-facing window with direct sun, though it survives in north or east-facing locations with reduced brightness.

    Q: Is 'Rubra' safe to keep near pets and children?
    A: No. The sap causes skin and paw irritation, and the plant should be kept on a high shelf out of reach of cats, dogs, and small children.

    Q: How do I propagate it?
    A: Take 3–4 inch stem cuttings in spring, let the cut end dry for 2–3 days, then place in dry succulent mix. Water lightly after 2–3 weeks when 'Rubra' develops roots.

    Q: Can African Milk Tree survive a trip without water?
    A: It can go unwatered for up to ten days without damage.

    Q: What temperature range does African Milk Tree prefer?
    A: Keep it between 60–75°F and away from cold drafts or heating vents; it is sensitive to sudden air temperature changes.

  • Hand-Packed with Care: We use a multi-layer system to ensure a safe arrival: soil is secured with wood fiber and sealed bags, houseplants are wrapped in signature paper, and large specimens are stabilized with stakes and locking inserts. Orders over $500 ship via pallet for maximum protection.

    Processing: Shipped within 3-5 business days (Mon-Fri) year-round.

    Urgent Orders: Message us for shipping upgrades (additional cost).

    Destinations:We ship houseplants to the lower 48 US states only. Excludes AK, HI, PR, Guam, and international destinations.

    Cold Weather: If under 40°F, please add a Heat Pack to your order for safety.

    Weather Delay: We may delay shipping during extreme weather (e.g., snowstorms) to ensure plant health.

    🌿 For Houseplants
    When your package arrives, you may notice a bit of loose soil in the box. This is completely normal during shipping.
    Please remove your plants from their packaging as soon as possible and review the care instructions included with your order. Water based on your plant’s needs, making sure not to overwater.
    Houseplants may need a short adjustment period after arrival. Give your plant time to acclimate to its new space before placing it with other plants. You can gently clean the leaves if needed, and wait to fertilize until it has settled in. Always check soil moisture instead of watering on a fixed schedule.
    *** We pack carefully to protect each plant during transit, so larger orders may arrive in multiple packages.

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