How to Grow Cloves at Home

I bought my first clove tree on a whim, expecting cloves on the spice rack within two or three years. It’s been four years. The foliage smells incredible. The actual cloves are still a someday-thing.

Turns out the clove tree is one of the slowest, fussiest tropical houseplants you can grow. It’s also one of the prettiest, and the leaves alone earn the space.

Here’s what I’d tell you before you buy one. Then, if you still want it, how to keep it alive long enough to maybe, eventually, harvest a clove.

Why Dried Cloves Won’t Work (And What to Buy Instead)

The cloves in your spice cabinet are dried flower buds, not seeds. They won’t germinate. Ever. I tried this in year one and watched a jar of damp cloves quietly rot in soil for six weeks.

To actually grow a clove tree (Syzygium aromaticum), you need fresh seed harvested from a fruiting tree, or a young nursery plant. Clove seeds are recalcitrant, which means they lose viability within days of drying out. By the time a seed ships from the tropics to a temperate climate, it’s usually too late.

If you don’t live near a tropical specialty nursery, the realistic path is to buy a 1-2 year old potted plant online from a tropical houseplant grower. Yes, it costs more than seeds. It also gives you a 90% better chance of actually growing the tree, instead of staring at dirt for two months.

Choosing the Right Container

Clove trees grow a deep central taproot. A shallow pot stunts the whole plant and shows up as yellowing leaves about a year in, by which point you’ve already wasted a season.

The container needs to be at least 18 inches (45 cm) deep and the same in diameter. Terracotta is better than plastic because it breathes, which matters for a plant that hates wet roots. Drainage holes are not optional.

I’d start one size smaller than the final pot and step up every two years as the tree fills out. Repotting more often than that disturbs the taproot and slows growth.

The Soil Mix I Use

Clove trees are native to volcanic soils on tropical islands. The mix they want is acidic, sandy, and fast-draining. Standard potting soil holds too much water and sits too neutral on pH.

What I use: two parts potting soil, one part coarse sand, one part fine bark or coco coir. Target pH is 4.5 to 6.5. Add a handful of compost and a small scoop of slow-release acidic fertilizer (the kind sold for azaleas or blueberries) when you mix the bed.

Warning: If your soil drifts above pH 7, the tree gets iron chlorosis, which shows up as yellowing between the leaf veins. By the time you see it, the roots are already stressed. Test the soil once a year, especially if you water with hard tap water.

The Truth About Light and Humidity

This is the part that surprises people. Young clove trees, the first 2-3 years, want shade or filtered light, not full sun. Direct sun scorches the leaves on a young plant. Only mature trees handle full tropical sun.

For an indoor tree, that translates to bright indirect light. East-facing window. Or a few feet back from a south-facing one. A grow light works too, set to 12-14 hours a day if your natural light is weak in winter.

The humidity is where most indoor clove trees quietly fail. Native habitat is 70-90% humidity. Most heated homes sit at 30-40%. The leaves brown at the edges, then drop, then the branches go bare.

A pebble tray under the pot helps a little. A small humidifier next to the tree helps a lot. If you have a bathroom with good natural light, the tree will thank you for moving it there.

Watering Without Rotting the Roots

Cloves want consistently moist soil, never soggy. The rhythm I use: water deeply when the top inch of soil dries out, then empty the saucer fully. If water sits, the roots rot.

The plant is rainforest-native, so the water itself matters more than people expect. Hard tap water slowly raises the soil pH and stresses the tree over months. If you can collect rainwater, do that. If not, distilled water for the first year while the plant is establishing.

In winter, when the tree slows down, cut watering frequency by about a third. The biggest killer of indoor cloves is winter overwatering when the tree isn’t drinking.

Feeding Your Spice Tree

Clove trees are slow growers and don’t need much fertilizer to do their thing. I feed twice a year. Once in early spring, once in midsummer.

Use a balanced slow-release granular formulated for acid-loving plants. The micronutrients matter as much as the NPK. Magnesium, iron, and zinc deficiencies show up first in clove trees as yellowing or stunted new leaves.

Skip fertilizing in fall and winter entirely. A dormant tree can’t process the nutrients and the salt buildup ends up hurting the roots.

Pruning for a Bushier Plant

Young clove trees grow leggy if you don’t help them branch. The fix is gentle and easy.

Once the main stem reaches about 24 inches (60 cm), pinch the tip off with your fingers. That breaks apical dominance and forces the tree to send out side branches. Do this once a year on each new vertical leader.

Don’t take more than a third of the plant in any one session. Light pinching beats hard pruning every time with cloves.

Managing Indoor Pests

The two pests that show up most often on indoor clove trees are spider mites and mealybugs. Both love dry indoor air, which is the same condition that already stresses the tree.

Check the undersides of leaves weekly. Spider mites leave tiny yellow stippling on the upper leaf surface and fine webbing underneath. Mealybugs look like small white cotton tufts where the leaf meets the stem.

Tip: A weekly leaf wipe with a damp cloth catches most pest problems before they spread (trust me on this one). For active infestations, neem oil spray works without burning the leaves, as long as you spray in the evening, not in direct sun.

What to Actually Expect (Years 1-10)

This is the section I needed when I bought my first tree. The realistic timeline.

Years 1-2: Slow growth. The tree puts most of its energy into the taproot. Above ground you’ll see maybe 12 inches of height a year, with glossy paired leaves that smell like Christmas when you crush one.

Years 3-5: The tree fills out. You’ll get more branching, more aromatic leaves, and a real tropical-tree look. Still no flowers.

Years 5-10: First flowers, IF the conditions are right. That means a heated greenhouse or sunroom with consistent 70-90% humidity, full sun, and no cold drafts. Most indoor temperate-climate trees never get there.

Worth knowing for the harvest itself: the clove you cook with is the unopened flower bud. You pick them when they turn pinkish-red, before any petal opens. Once a flower blooms, the essential oil dissipates and the bud is worthless as a spice.

If you keep a tree alive long enough to get there, you’ve earned every clove.

FAQs

1. Can I grow a clove tree from grocery store cloves?

No. They’re dried flower buds, not seeds. Save the time and buy a young plant.

2. How big does a clove tree get indoors?

With regular pinching, you can keep it around 5-6 feet (1.5-1.8 m) tall in a container indefinitely. In the ground in zone 11+, mature trees reach 30 feet.

3. Why are my leaves turning yellow?

Three usual suspects, in order of likelihood: overwatering, soil pH drifted alkaline (often from hard tap water), or low humidity. Check drainage first, then test pH, then assess humidity.

4. Can I put the tree outside in summer?

Yes, once temperatures stay above 60F (15C) overnight. Move it to shade for the first week to adjust, then bright indirect light. Bring it inside before nights drop below 60F again.

Will I really get cloves I can cook with?

Maybe. If you have a heated sunroom or a true tropical climate, yes, eventually. If you’re growing in a regular living room, probably not. The honest framing is to grow it for the leaves and let any cloves be a surprise.