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Aloe barbadensis /ˌæ.loʊ bɑːɹbəˈdɛnsɪs/

Common name: Aloe vera · Medicinal aloe · Burn plant

Aloe barbadensis (also known as Aloe vera) is a stemless or short-stemmed succulent whose origins trace to the Arabian Peninsula. Its thick, fleshy, serrated leaves store a clear gel that has been used medicinally for thousands of years. It thrives on bright light, infrequent watering, and general neglect.

Care summary

Sun Bright light, including some direct sun
Water Deeply but infrequently; let soil dry fully
Water interval Water about every 25 days
Soil Sandy cactus or succulent mix
Hardiness Zones 9–11
Mature height About 60–90 cm (2–3 ft)
Pet safe Toxic to cats and dogs if ingested
Difficulty Easy
Propagation Propagate from the offsets (pups) that form around the base of the mother plant. Gently separate a pup with some roots attached, let it dry for a day, then pot it in sandy succulent mix and water sparingly.

Fun facts

  • Aloe gel was used in ancient Egypt, where it was called the "plant of immortality."
  • The gel inside the leaves is about 99% water, with the remainder containing vitamins, enzymes, and sugars.
  • It readily produces "pups" — baby offshoots at its base that can be separated and potted.
  • Mature plants send up tall flower spikes with yellow, tubular blooms.

Common problems

    • Let soil dry fully between waterings
    • Use a gritty cactus mix
    • Water sparingly in winter
    • Bring plants indoors before frost
    • Cut away rotted tissue cleanly
    • Keep above freezing temperatures
    • Dab pests with rubbing alcohol
    • Treat with insecticidal soap
    • Check new plants before buying
    • Move to a brighter window
    • Avoid sudden full sun exposure