Many people believe that cloves are only good as a spice and that it’s impossible to grow them. In reality, cloves come from a tropical tree (Syzygium aromaticum) that can be grown at home if you understand its needs: gentle warmth, high humidity, well-aerated soil, and plenty of patience.

Now, a quick heads-up to keep things grounded: dried-out cloves in the cupboard have almost always lost their viability due to drying and storage time, which is why the success rate is low. Even so, there’s a fun home technique you can try to revive some, and I’ll also tell you about the most reliable method for those who want serious results. Let’s get started with the step-by-step guide and several tricks to maximize your chances.

Complete guide to growing cloves for beginners

We’ll use a fresh potato as a moist, nutrient-rich growing medium, and a touch of aloe vera gel as a gentle root biostimulant. The potato maintains stable moisture and provides carbohydrates; the aloe introduces enzymes and sugars that can encourage root development. Please note: this is a low-probability experiment with dried cloves. For a reliable grow, the alternative method using fresh seeds or seedlings is detailed below.

Materials

• 8 to 12 whole , high-quality cloves (preferably large, aromatic, and uniformly colored).
• 1 fresh, firm, untreated potato (not sprouted or green).
• Filtered or boiled and cooled water.
• 1 teaspoon of pure aloe vera gel .
• 1 small container or shallow bowl.
• Clean knife, toothpick or skewer, cotton swabs, cling film or lid.
• Seedling substrate: airy mix (e.g., 40% peat or coconut fiber, 40% perlite, 20% fine compost).
• Germination tray or small pots with good drainage.
• Spray bottle, thermometer/hygrometer if you have one.

Step by step (potato + aloe technique)

1) Selection and “rapid” feasibility test

1. Pour lukewarm (not hot) water into the bowl, add ½ teaspoon of aloe gel and mix.
2. Cast in the nails. Discard those that stubbornly float after 30–45 minutes. Keep those that sink or remain partially suspended.
3. Leave to soak for 6–8 hours to hydrate fabrics.

2) Prepare the potato

1. Wash and disinfect the skin with a cloth and a pinch of alcohol (let it evaporate).
2. Cut the potato in half lengthwise and make guide holes with a toothpick, 1–1.5 cm deep, spaced 1–2 cm apart.
3. Apply a very thin film of aloe gel to the inside of the holes.

3) Insert the nails correctly

1. Remove the cloves from the soaking water and dry them with a napkin.
2. Place them with the head (flower bud) facing upwards and the “stem” facing downwards inside each hole. This orientation respects how the bud would grow.
3. Adjust so they are firm, without crushing.

4) Create a micro-greenhouse

1. Place the potato halves on a tray. Cover with cling film, leaving small holes, or use a clear lid.
2. Ideal temperature: 24–28 °C , high relative humidity ( >70% ), bright indirect light . No direct sunlight.
3. Ventilate for 5 minutes a day to prevent mold and check that the potato doesn’t become waterlogged or rot. If mold appears, remove that area with a cotton swab and a touch of cinnamon powder (a mild antifungal).

5) Observation and patience

• In 2–4 weeks, if you’re lucky, you’ll see micro-roots at the base and/or swelling of the bud. If there are no changes in 6–8 weeks, those nails probably weren’t viable.
• Keep the potato moist, not watery. If it gets too soft, replace it with a fresh one, repeating the assembly process.

6) Transplanting to the substrate

1. Prepare small pots with slightly moist, aerated substrate.
2. Make a hole, place each nail with its emerging roots and cover it lightly, without burying it deep.
3. Spray, avoid drafts, retain heat and high humidity. Indirect light.

7) First care

• Watering: micro-irrigation by spraying, allowing the surface to dry very slightly between sessions.
• Light: 8–10 hours of indirect light. If using artificial light, 12–14 hours with an LED grow light at 30–40 cm.
• Do not fertilize until you see real growth. Then, use a balanced, mild fertilizer at 25–30% of the recommended dose every 15–20 days.

Alternative and more reliable cultivation method

If your goal is to definitely get a plant:

• Fresh clove seeds (freshly extracted from the ripe fruit) from a reputable botanical supplier.
• Syzygium aromaticum seedlings
  from a specialized nursery. With fresh seeds, they germinate in 2–6 weeks under 25–28°C and high humidity. With seedlings, you save months/years of the process.

Medium and long-term growing conditions

• Climate : tropical/subtropical. Temperature range: 20–30 °C. Does not tolerate frost.
• Light : When young, bright indirect light . Once established, some softened sunlight can be acceptable.
• Substrate : rich, well-drained , slightly acidic (pH 5.5–6.5). Guide mix: 40% coconut fiber, 30% compost, 20% perlite, 10% fine bark.
• Watering : consistent but avoid waterlogging. Let the top centimeter dry out before watering again.
• Ambient humidity : 60–80%. Trays with water and stones or a humidifier help a lot.
• Pot : deep, with good drainage. Transplant when the roots emerge from the drainage holes.
• Fertilization : In warm weather, use mild organic fertilizer or balanced NPK every 3–4 weeks.
• Growth rate : Slow-growing tree. Flowering may take 6–8+ years under ideal conditions.

Growing tips and troubleshooting

• Use quantity : try 8–12 nails to increase your chances. Record which brand/date worked best.
• Hygiene : clean tools and containers to prevent fungus in the potato and in the seedbed.
• Mold on the potato : ventilate more, reduce free humidity, sprinkle cinnamon on the affected area and replace the potato if it deteriorates.
• No direct sunlight during germination. Indirect heat is your friend.
• Acclimation : If using a dome or film, gradually uncover it over 5–7 days when new shoots appear, so that they do not collapse from sudden dryness.
• Cold winter : in areas with frost, always grow indoors with a stable temperature; a transparent box as a “mini greenhouse” works wonderfully.
• Realistic expectations : If after 6–8 weeks no cloves sprouted, it’s not that you did anything wrong; they probably weren’t viable. Consider switching to the fresh seed method or buying a seedling.

Watering and nutrition in pots

• Keep the substrate slightly moist ; avoid “permanent puddles”.
• Every 2-3 waterings, add a microdose of diluted aloe (a few drops per cup of water) as a mild biostimulant.
• During active growth, supplement with highly diluted compost tea once a month.

Pruning and training

• In juveniles, it is enough to remove dry leaves and very weak shoots.
• When it gains strength, it favors a central structure with 3-4 well-distributed branches so that the tree can breathe and receive light.