Repotting guide

When & how to repot Crassula Tetragona (Crassula tetragona)

Also called miniature pine tree, pine tree crassula.

More about crassula tetragona

About Crassula Tetragona

Crassula tetragona · also called miniature pine tree, pine tree crassula · houseplant

Crassula tetragona is an upright South African shrublet whose slender, needle-like leaves give it the look of a miniature pine tree, making it a popular bonsai and fairy-garden subject. Fast and forgiving, it loves bright light and lean, gritty soil, tolerates drought, and roots readily from cuttings, branching into a small woody-stemmed tree form.

Mature size: Up to about 60-100 cm tall in ideal conditions, often kept smaller (15-30 cm) in pots and bonsai.

Watch for — Leggy, leaning stems: Sparse, stretched growth that flops over signals inadequate light. Move to direct sun and rotate the pot to keep stems upright.

How to tell crassula tetragona needs repotting

Repotting on a calendar is less reliable than reading the plant. For crassula tetragona, 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 crassula tetragona

Every 2–3 years, into bone-dry mix. Crassula Tetragona's growth habit — fast-growing, upright, branching shrublet with woody lower stems and dense whorls of needle-like leaves; readily trained as a small bonsai-style tree. — sets the pace. Crassula tetragona is an upright South African shrublet whose slender, needle-like leaves give it the look of a miniature pine tree, making it a popular bonsai and fairy-garden subject. Fast and forgiving, it loves bright light and lean, gritty soil, tolerates drought, and roots readily from cuttings, branching into a small woody-stemmed tree form.

What size pot to step crassula tetragona up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Crassula Tetragona 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 crassula tetragona

Spring or summer, while crassula tetragona 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 crassula tetragona

Repot dry. Do not water crassula tetragona 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 free-draining cactus/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 crassula tetragona 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 crassula tetragona 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 crassula tetragona

Crassula Tetragona wants free-draining cactus/succulent mix. A standard cactus blend amended with extra perlite or grit suits it. Good drainage matters more than richness; lean soil keeps the miniature-tree habit tidy. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting crassula tetragona — frequently asked questions

How often should you repot crassula tetragona?

Every 2–3 years, into bone-dry mix for crassula tetragona. Repot crassula tetragona every 2–3 years into a snug pot of free-draining cactus/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 crassula tetragona need?

When is the best time of year to repot crassula tetragona?

Should you water crassula tetragona after repotting?

No — not straight away. Repot crassula tetragona 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 crassula tetragona after repotting?

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