Repotting guide

When & how to repot Tiger Tooth Aloe (Aloe juvenna)

Also called Tooth Aloe.

More about tiger tooth aloe

About Tiger Tooth Aloe

Aloe juvenna · also called Tooth Aloe · houseplant

Tiger tooth aloe is a small clumping aloe whose triangular leaves stack tightly up wandering stems, each leaf bright green, speckled cream and edged with soft white teeth. In strong light it flushes coppery-red. Easy and fast to clump, it is a popular windowsill succulent and, as a true aloe, is toxic to cats and dogs.

Mature size: Stems reach about 20-30 cm before sprawling, and clumps spread to 30 cm or more across. It rarely flowers indoors but can produce slim orange spikes in ideal outdoor conditions.

Watch for — Leggy, floppy stems: In low light the stacked leaves spread apart and stems stretch and topple. Give bright direct light to keep growth tight; over-long stems can be beheaded and re-rooted.

How to tell tiger tooth aloe needs repotting

Repotting on a calendar is less reliable than reading the plant. For tiger tooth aloe, watch for these signs:

Roots growing out of the drainage holes, or the rootball lifting the plant proud of the rim.
Soil that has shrunk away from the pot sides and no longer holds water.
The pot is unstable because the plant has grown top-heavy.
Old, compacted, broken-down mix that stays wet too long — for a succulent that is a rot risk, so refresh it even if the pot size is fine.

For the underlying biology of a pot-bound root system and why it stalls a plant, see our guide to spotting and fixing a root-bound plant.

How often to repot tiger tooth aloe

Every 2–3 years, into bone-dry mix. Tiger Tooth Aloe's growth habit — a fast-clumping, branching aloe that stacks triangular toothed leaves up multiple sprawling stems, readily forming a dense colony; older stems lean and root where they touch soil. — sets the pace. Tiger tooth aloe is a small clumping aloe whose triangular leaves stack tightly up wandering stems, each leaf bright green, speckled cream and edged with soft white teeth. In strong light it flushes coppery-red. Easy and fast to clump, it is a popular windowsill succulent and, as a true aloe, is toxic to cats and dogs.

What size pot to step tiger tooth aloe up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Tiger Tooth Aloe stores water and rots in a large pot of slow-drying soil. A tight terracotta pot that dries fast is far safer than a generous plastic one. Never up-pot a succulent by several sizes.

Not sure of the exact diameter? Our pot size calculator takes the current pot and root spread and tells you the right next size — it deliberately recommends a single step up, never a big jump.

The best time of year to repot tiger tooth aloe

Spring or summer, while tiger tooth aloe is in active growth and warm, is best — roots recover fastest then, and the plant is not sitting in cool damp soil. Avoid repotting a succulent in winter dormancy.

Step-by-step: repotting tiger tooth aloe

Repot dry. Do not water tiger tooth aloe for several days first. Working with dry roots and dry mix dramatically lowers the rot risk for a succulent.
Pick a snug, fast-draining pot. Choose terracotta one size up at most, with a drainage hole. Have gritty gritty, fast-draining cactus or succulent mix ready.
Tip it out and clean the roots. Slide the plant out, crumble off the old soil, and trim any black, mushy or dead roots with clean snips.
Pot into dry mix. Set tiger tooth aloe at its original depth in dry gritty mix, firming gently. Do not bury the stem deeper than it was.
Wait a week before watering. Leave it completely dry and out of harsh sun for about 7 days so any damaged roots callus. Only then water lightly.

Aftercare

Keep tiger tooth aloe completely dry and out of fierce sun for about a week so any nicked roots callus before they meet moisture; watering a freshly repotted succulent is the classic way to rot it. Then resume the normal lean, dry rhythm. Do not fertilise for about 3 weeks — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for tiger tooth aloe

Tiger Tooth Aloe wants gritty, fast-draining cactus or succulent mix. Use a cactus compost blended with pumice, perlite or coarse grit. A pot with drainage holes is essential, and terracotta helps the soil dry between waterings. Avoid water-retentive mixes, which keep the stems wet and trigger rot. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting tiger tooth aloe — frequently asked questions

How often should you repot tiger tooth aloe?

Every 2–3 years, into bone-dry mix for tiger tooth aloe. Repot tiger tooth aloe every 2–3 years into a snug pot of gritty, fast-draining cactus or succulent mix, ideally in spring or summer. Let it sit in dry soil and do not water for about a week afterwards so any nicked roots can callus. Over-potting and watering straight away is what rots succulents.

What size pot does tiger tooth aloe need?

When is the best time of year to repot tiger tooth aloe?

Should you water tiger tooth aloe after repotting?

No — not straight away. Repot tiger tooth aloe into dry mix and wait about a week before the first watering so any damaged roots callus over. Watering a freshly repotted succulent is the single most common way to rot one.

Should you fertilise tiger tooth aloe after repotting?

Not immediately. Wait about 3 weeks after repotting tiger tooth aloe. Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.