Why is my olive tree not growing?

The 4 most likely causes

The cause of olive tree no new growth usually narrows to one of the items below, ranked by how often we see each in Growli's diagnostic chats. Work down the list — most readers find their answer in the top two.

1. Seasonal dormancy (Likely)
   Most houseplants slow or stop growing from late autumn to early spring as light levels drop. If your olive tree hasn't pushed new growth in midwinter, this is usually normal — reduce watering and stop fertilising until day length picks up again.
2. Wrong light level (Most likely)
   Olive tree is a high-light plant and quickly turns leggy, pale, or stalled in low light. Move it within a metre of a south or east-facing window, or supplement with a grow light. It wants full direct sun — south-facing or outdoors in summer.
3. Root-bound in its pot (Likely)
   When roots circle the pot, water runs straight through and the plant can no longer take up nutrients. Olive tree typically needs a fresh pot every 1-2 years — one size up, not several. If you can see roots through the drainage holes or the soil dries in a day or two, repot.
4. Nutrient deficiency (nitrogen or iron) (Possible)
   If olive tree has not been repotted or fed in a year or more, the older leaves can yellow uniformly while the newest growth stays green — a classic sign of nitrogen depletion. Yellow leaves with green veins on new growth point to iron or manganese deficiency. A balanced liquid feed during the growing season usually resolves both.

Why olive tree in particular

Olive is a slow, woody tree with a strong seasonal clock, so a winter pause is expected, not a fault; growth naturally suspends in cool, short days and only flushes when warmth and long, bright hours return. Indoors, the usual reason an olive won't move is simply too little light for a plant that wants around six hours of direct sun. A settled olive also needs a genuine cool winter rest to set flower buds and fruit.

Normal turnover, or real trouble?

A still olive in winter is behaving exactly as it should: it rests through the cold, short-day months and only flushes when spring warmth and long light return, so no new shoots from midwinter onward is expected, not a fault. The concern is a plant that stays completely inert well into the growing season, or a chronically thin, weak canopy indoors — usually a sign of too little light or roots that never dry out.

How to diagnose in 60 seconds

Run these quick checks before you change anything — the right fix depends on what you find.

• What season is it? Most houseplants pause growth from October to March in the northern hemisphere — that is dormancy, not failure.
• Tip the plant out. Roots circling the pot mean it is root-bound and stalled.
• When did you last fertilise? Plants in fresh potting mix coast for 3-6 months on built-in nutrients, then need feeding.
• Measure light with a phone lux meter app. Below 500-1000 lux at midday is too dim for most olive tree.

The fix — step by step

Give it a real winter chill and maximum light, not fertiliser. If it grows but won't flower or fruit, the usual reason is too warm a winter, so overwinter it somewhere cool and bright — a frost-free porch or unheated room — to satisfy its need for a cold rest, and in the growing season stand it in the sunniest spot you have. Don't try to force growth with feed in a dim, warm room.

This is the recovery sequence Growli walks users through for olive tree with no new growth. Work through the steps in order; skipping ahead is the most common reason a plant fails to bounce back.

1. Confirm it is not just dormancy. Note the season. From mid-autumn to early spring most houseplants — including olive tree — pause growth as light drops. If it is the dark half of the year, do nothing and wait.
2. Check light levels honestly. Use a free phone lux-meter app at midday. Olive tree needs at least the light suggested by full direct sun — south-facing or outdoors in summer. If you are below that, move it closer to the window or add a grow light.
3. Check if it is root-bound. Tip the plant out. Roots circling tightly mean it is time to repot one pot size up in fresh mix. Don't jump multiple sizes — too much soil holds too much water and triggers rot.
4. Feed during the growing season only. Use a balanced liquid fertiliser at half strength every 2-4 weeks from spring through early autumn. Skip feeding in winter. Over-feeding a stalled plant burns the roots — undershoot rather than overshoot.
5. Be patient with recovery. Even with everything corrected, expect 4-8 weeks before olive tree pushes obvious new growth. The first sign is usually a tighter, glossier new leaf rather than a dramatic size jump.

When this can't be saved

Most cases of olive tree no new growth are recoverable, but a few red flags point to a plant that has gone past the point of return. If you spot any of these, consider propagating a clean cutting and starting over.

• Stems are softening and leaves are slowly dropping despite "no growth" — the plant is actively dying, not stalled.
• Roots are uniformly brown and mushy when you tip the pot — recovery from this point is rare.
• Multiple growing seasons have passed with no new growth and good conditions — the plant may be terminal.

Prevention

For olive tree, the single biggest preventative is matching its native rhythm: water deeply but only when the top half of the pot has dried, full direct sun — south-facing or outdoors in summer, and a free-draining pot with a working drainage hole. Plan a yearly repotting check in spring — refresh the top inch of soil even if the pot stays the same — and feed at half strength every 2-4 weeks from spring to early autumn. Track light with a free lux meter app every few months as the sun angle changes through the year.

Common questions

Related guides

• What's wrong with my plant? — the diagnosis apps compared
• Is olive tree toxic to cats and dogs? — pet-safe, per the ASPCA
• How often to water olive tree — the watering brief
• When to repot olive tree — pot size and timing
• No new growth on plants — the full diagnostic guide across species
• What's wrong with my plant? — Growli's flagship diagnosis index
• Olive tree — yellow leaves
• Olive tree — curling leaves
• Olive tree — drooping
• Monstera — no new growth