Repotting guide

When & how to repot Aloe Microstigma (Aloe microstigma)

Also called Cape speckled aloe, Small-spotted aloe.

More about aloe microstigma

About Aloe Microstigma

Aloe microstigma · also called Cape speckled aloe, Small-spotted aloe · houseplant

Aloe microstigma is a single-rosette South African aloe with lance-shaped green leaves dusted in small white spots and edged with reddish-brown teeth. Under stress the foliage blushes burgundy. It sends up tall bicoloured spikes, red in bud opening to orange-yellow. A tough, sun-loving, drought-hardy succulent for a bright window or sunny patio.

Mature size: Rosette roughly 30-60 cm tall and wide; flower spikes reach about 90 cm.

How to tell aloe microstigma needs repotting

Repotting on a calendar is less reliable than reading the plant. For aloe microstigma, 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 aloe microstigma

Every 2–3 years, into bone-dry mix. Aloe Microstigma's growth habit — solitary rosette, usually stemless when young, developing a short decumbent stem with age; does not clump readily. — sets the pace. Aloe microstigma is a single-rosette South African aloe with lance-shaped green leaves dusted in small white spots and edged with reddish-brown teeth. Under stress the foliage blushes burgundy. It sends up tall bicoloured spikes, red in bud opening to orange-yellow. A tough, sun-loving, drought-hardy succulent for a bright window or sunny patio.

What size pot to step aloe microstigma up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Aloe Microstigma 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 aloe microstigma

Spring or summer, while aloe microstigma 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 aloe microstigma

Repot dry. Do not water aloe microstigma 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 well-drained gritty 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 aloe microstigma 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 aloe microstigma 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 aloe microstigma

Aloe Microstigma wants well-drained gritty succulent mix. Needs a mix that dries quickly between waterings; blend cactus soil with pumice or coarse grit. Avoid water-retentive potting soil that holds moisture at the roots. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting aloe microstigma — frequently asked questions

How often should you repot aloe microstigma?

Every 2–3 years, into bone-dry mix for aloe microstigma. Repot aloe microstigma every 2–3 years into a snug pot of well-drained gritty 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 aloe microstigma need?

When is the best time of year to repot aloe microstigma?

Should you water aloe microstigma after repotting?

No — not straight away. Repot aloe microstigma 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 aloe microstigma after repotting?

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