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Repotting guide

When & how to repot Guava (Psidium guajava)

Also called Guava, Common guava, Yellow guava.

More about guava

About Guava

Psidium guajava · also called Guava, Common guava · tropical

Common guava is a fast-growing, hardy tropical tree from the American tropics, now grown worldwide for its fragrant, vitamin-C-rich fruit. It tolerates a wide range of soils, fruits within two to four years, and shrugs off heat and brief drought. In cool climates it grows well in large containers moved indoors over winter.

Mature size: Usually 3-9 m (10-30 ft) tall and wide; readily maintained at 2-3 m with regular pruning or in containers.

How to tell guava needs repotting

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

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 guava

Every 2–3 years; top-dress in the in-between years. Guava's growth habit — a vigorous evergreen-to-semi-deciduous large shrub or small tree with smooth, mottled, peeling copper-coloured bark, spreading branches and a dense canopy; suckers freely and can be kept low by pruning. — sets the pace. Common guava is a fast-growing, hardy tropical tree from the American tropics, now grown worldwide for its fragrant, vitamin-C-rich fruit. It tolerates a wide range of soils, fruits within two to four years, and shrugs off heat and brief drought. In cool climates it grows well in large containers moved indoors over winter.

What size pot to step guava up to

Move up exactly one pot size. A heavy guava dropped into a vastly bigger pot sits in a reservoir of wet soil its roots cannot reach, which rots them and destabilises the plant. In the years between repots, lift off and replace the top 3–5 cm of soil (top-dressing) instead — it refreshes nutrients without the shock of a full repot.

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 guava

Early spring, just as new growth restarts, is the ideal window for guava. The plant is moving into its strongest growth phase and re-roots into fresh soil quickly. Avoid repotting in winter dormancy or, for flowering plants, while it is in bud or bloom — recovery is slowest then and you risk dropping the flowers.

Step-by-step: repotting guava

  1. Consider top-dressing first. If guava is not badly root-bound, scrape off and replace the top 3–5 cm of soil instead — far less shock for a big plant that hates moving.
  2. Get help and one size up. For a full repot, choose a pot just one size larger. A heavy plant needs two people and a stable, free-draining pot.
  3. Ease it out on its side. Lay the plant down, slide the pot off, and gently loosen the outer roots. Do not bare-root a mature specimen.
  4. Repot at the same depth. Add fresh adaptable, well-drained loam beneath and around the rootball, keeping the original soil line. Firm it so the trunk is stable and upright.
  5. Water and leave it put. Water thoroughly, then leave guava in the same spot and light — moving and repotting at once is what makes it drop leaves.

Aftercare

Leave guava in exactly the same spot and light it was in before — moving and repotting at the same time is what makes a big specimen drop leaves. Water it in well, then let the top of the soil dry before watering again so the larger volume of fresh soil does not stay sodden. Do not fertilise for about 4 weeks — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for guava

Guava wants adaptable, well-drained loam. Tolerates sandy, clay, rocky and even limestone soils across pH 4.5-7.0, but thrives in deep, fertile, well-drained loam rich in organic matter. Good drainage matters more than soil type. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting guava — frequently asked questions

How often should you repot guava?

Every 2–3 years; top-dress in the in-between years for guava. Fully repot guava only every 2–3 years; in the in-between years just top-dress the top 3–5 cm of soil. Step up one pot size in spring with adaptable, well-drained loam. It is heavy and hates being moved, and a vastly oversized pot holds water against the roots and rots them.

What size pot does guava need?

Move up exactly one pot size. A heavy guava dropped into a vastly bigger pot sits in a reservoir of wet soil its roots cannot reach, which rots them and destabilises the plant. In the years between repots, lift off and replace the top 3–5 cm of soil (top-dressing) instead — it refreshes nutrients without the shock of a full repot. Use our pot size calculator to size it from the plant's current pot and root spread.

When is the best time of year to repot guava?

Early spring, just as new growth restarts, is the ideal window for guava. The plant is moving into its strongest growth phase and re-roots into fresh soil quickly. Avoid repotting in winter dormancy or, for flowering plants, while it is in bud or bloom — recovery is slowest then and you risk dropping the flowers.

Should you top-dress or fully repot guava?

For a big, heavy guava, top-dressing — replacing the top 3–5 cm of soil — is the gentler option most years, with a full repot only every 2–3 years. A mature specimen sulks and drops leaves when fully repotted, so do it as rarely as the roots allow.

Should you fertilise guava after repotting?

Not immediately. Wait about 4 weeks after repotting guava. Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.

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