Tiger Tooth Aloe
Aloe juvenna
A compact clustering aloe with distinctive triangular leaves edged in bright orange-red teeth that intensify in bright light. This fast-growing species quickly forms attractive colonies of small rosettes, making it perfect for filling containers or creating dramatic landscape displays. Its orange tubular flowers attract hummingbirds and add seasonal interest.
Sun
Full sun to partial shade
Zones
9–11
USDA hardiness
Height
1 ft. 0 in. - 2 ft. 0 in.
Complete Growing Guide
Light: Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours). Soil: Loam (Silt), Sand. Drainage: Good Drainage, Occasionally Dry. Growth rate: Slow. Maintenance: Low. Propagation: Division.
Harvesting
Edibility: A Juice is made after the aloin has been removed.
Storage & Preservation
Tiger Tooth Aloe is a live ornamental succulent and does not require traditional food storage. Keep plants in bright, cool conditions (50-75°F) with low humidity to prevent rot. Indoors, store on a sunny windowsill or under grow lights. Outdoors in warm climates, place in full sun with excellent drainage. For preservation, allow soil to dry completely between waterings to extend plant lifespan. Propagate leaf or offset cuttings in sandy soil to create backup plants. Repot every 2-3 years in fresh cactus mix. With proper care, plants thrive for many years, continuously producing new offsets.
History & Origin
Aloe juvenna, commonly known as Tiger Tooth Aloe, originates from East Africa, particularly Kenya and Tanzania, where it grows in arid and semi-arid regions. The species was formally described and named in the 19th century, though detailed documentation of its initial discovery and introduction to cultivation remains sparse in readily available horticultural records. Its distinctive characteristics—the bright orange-red marginal teeth and compact clustering habit—likely contributed to its popularity in succulent collections and landscape design. While specific breeder information is not well-documented, the variety became widely distributed through commercial succulent nurseries throughout the 20th century, establishing itself as a reliable, easy-to-grow ornamental species prized for both container gardening and xeriscape applications.
Origin: Africa
Advantages
- +Edible: A Juice is made after the aloin has been removed.
- +Low maintenance
Considerations
- -Toxic (Leaves, Sap/Juice): Low severity
- -Causes contact dermatitis
Companion Plants
Tiger Tooth Aloe pairs well with plants that share its basic requirements: sharp drainage, lean soil, and long dry spells between waterings. Jade Plant, Echeveria, Haworthia, Sedum, and String of Pearls all fit that profile — pot them together at 12-18 inch spacing without worrying that one will drown while another desiccates. Agave works in the same outdoor bed in zones 9-11. Lavender and Rosemary aren't succulents, but they're drought-adapted enough to coexist without water-schedule conflicts, and both have shown some effect on deterring soft-bodied insects like aphids and thrips in mixed plantings.
The problematic companions — Ferns, Hostas, Impatiens, Begonias — all need consistently moist soil just to stay presentable. There's no watering schedule that keeps an aloe's roots dry and a Hosta's roots adequately hydrated at the same time. One of them will always lose, and in a shared pot or a tight bed, it'll be a slow, ugly decline rather than a quick failure you can catch early.
Plant Together
Jade Plant
Similar water and light requirements, creates attractive succulent groupings
Echeveria
Complementary watering needs and shared preference for bright, indirect light
Haworthia
Similar care requirements and both benefit from well-draining soil conditions
Sedum varieties
Matching drought tolerance and both thrive in sandy, well-draining soil
Lavender
Both prefer dry conditions and lavender repels pests that may damage succulents
Rosemary
Similar water requirements and rosemary's strong scent deters harmful insects
String of Pearls
Compatible light and watering needs, creates textural contrast in arrangements
Agave
Shared preference for arid conditions and minimal water requirements
Keep Apart
Ferns
Require consistently moist soil which can cause root rot in Tiger Tooth Aloe
Impatiens
Need frequent watering and humid conditions that promote fungal issues in succulents
Hostas
Prefer shade and moist soil, opposite of aloe's bright light and dry soil needs
Begonias
Require regular watering and high humidity which can lead to aloe root rot
Pests & Disease Resistance
Resistance
Very disease resistant, extremely hardy succulent
Common Pests
Scale insects, mealybugs occasionally
Diseases
Root rot in poorly draining soil
Troubleshooting Tiger Tooth Aloe
What you'll see, why it happens, and what to do about it.
Soft, brown, mushy stem base — often with a foul smell — starting at soil level
Likely Causes
- Root rot from Pythium or Fusarium species — almost always triggered by waterlogged soil or a pot with no drainage hole
- Overwatering during winter dormancy, when the plant's water uptake drops sharply
What to Do
- 1.Unpot immediately and cut away all brown, soft roots with clean scissors; let the root ball air-dry for 24-48 hours before repotting
- 2.Repot into a well-draining cactus mix — or cut regular potting soil 50/50 with perlite — in a pot with at least one drainage hole
- 3.Water no more than once every 10-14 days in summer, and once a month or less from November through February
White, cottony fluff tucked into the leaf axils or along the base of the rosette
Likely Causes
- Mealybugs (Pseudococcus or Planococcus species) — they congregate in tight, hard-to-reach spots and feed on plant sap
- Bringing in an infested plant from a nursery and setting it next to clean plants without any quarantine period
What to Do
- 1.Dab each visible cluster with a cotton swab soaked in 70% isopropyl alcohol — get into the crevices between leaves
- 2.Follow up with a spray of diluted neem oil (2 tsp neem + 1 tsp dish soap per quart of water) every 7 days for 3 weeks
- 3.Isolate any newly purchased succulents for at least 2 weeks before placing them near your collection
Tan or gray crusty bumps on the leaves that don't rub off easily, with sticky residue or sooty mold beneath them
Likely Causes
- Scale insects (commonly Hemiberlesia or brown soft scale) — the bumps are the insects' hardened shells, not a disease
- Low airflow indoors, which lets scale populations build unnoticed through several generations
What to Do
- 1.Scrape off individual scales with an old toothbrush or fingernail, then wipe the leaf surface with a cloth dampened in isopropyl alcohol
- 2.Apply horticultural oil or neem oil spray to smother any crawlers that haven't hardened yet — repeat every 10 days for a month
- 3.Move the plant somewhere with better air circulation; a small fan on low nearby makes a measurable difference indoors