🍋 Citrus & Tropical Plant Care
🍋 Citrus in Containers
Meyer lemon, Key lime, Kaffir lime, Satsuma, navel and Valencia oranges, blood orange, grapefruit and Calamondin.
• Zone: 9–11 outdoors. In Northwest Ohio (Zone 6b) citrus lives in a pot — outside from late May through September, indoors for winter.
• Sun: Full sun, 8+ hours outdoors. Indoors, your brightest south-facing window or a full-spectrum grow light 12–14 hours a day.
• Pot & soil: Move your tree into a 10–14 inch pot with drainage holes within a few weeks. Use a fast-draining citrus or cactus mix (or potting mix with about 25% perlite or fine bark). Step up one pot size every 2–3 years in spring.
• Water: Water deeply when the top 1–2 inches of soil are dry, until water runs out the bottom — then let it drain. Never let the pot sit in a saucer of water. In summer that may be every 2–3 days; in winter every 1–2 weeks.
• Fertilizer: Use a citrus fertilizer that includes micronutrients (iron, zinc, manganese, magnesium). Feed every 4–6 weeks from March through September, or use a slow-release citrus food in spring and early summer. Cut back in fall and winter. Yellow leaves with green veins usually mean it needs iron or zinc; a citrus food with micronutrients covers both.
• Winter care: Bring it inside before nights drop below about 40°F — usually late September to mid-October here. Rinse the leaves and check for pests first. Keep it at 55–70°F, away from heat vents and drafts, and add humidity with a tray of wet pebbles or a humidifier. A few dropped leaves after the move is normal.
• Back outside: After frost danger has passed (mid to late May), give it a week in shade, then a week of morning sun, before full sun — this prevents leaf scorch.
• Pruning: Late winter or after harvest: remove dead or crossing branches and any shoots coming from below the graft. Pinch tips to keep it bushy. On young trees, thin a heavy fruit set so branches don’t strain.
• Pests: Scale, mealybugs, spider mites and aphids — especially indoors. Check leaf undersides weekly; wipe with soapy water or spray insecticidal soap or horticultural oil.
• Harvest: Citrus ripens slowly (6–9+ months). Pick when the fruit is fully colored and tastes sweet. Meyer lemons usually ripen in winter.
🐝 Hand-Pollinating Indoor Citrus
All of our citrus varieties are self-fruitful — one tree is enough. You don’t need a second tree or a different variety. Indoors there are no bees, so give the flowers a hand:
• Timing: when the flowers are fully open and the yellow pollen looks dusty (usually late winter to early spring indoors).
• Brush: use a small soft paintbrush or a cotton swab to pick up pollen from the stamens — the ring of yellow tips.
• Dab: touch it to the sticky green tip in the center of the flower, then go flower to flower.
• Repeat: around midday, every day or two while the tree blooms. A gentle shake of the branches helps too.
• Success: tiny green fruits swelling where a flower dropped mean it worked. Some early fruit drop is normal.
• Exceptions: navel oranges and Satsuma set fruit without pollination. Keep Satsuma away from other blooming citrus if you want it seedless.
🍌 Ice Cream Banana (Blue Java)
A fast-growing tropical with blue-green fruit that tastes like vanilla custard.
• Zone: 9–11 outdoors. In Zone 6b, grow it in a large container and bring it in for winter.
• Sun: Full sun, 6–8+ hours. It tolerates some afternoon shade.
• Pot & soil: Rich, well-drained potting mix. Start in a 10–15 gallon pot and step up as it grows. Shelter it from strong wind, which shreds the leaves.
• Water: A heavy drinker in summer — keep the soil evenly moist and water whenever the top inch is dry (daily in hot weather for pots). Water much less in winter.
• Fertilizer: A heavy feeder: balanced or high-potassium fertilizer every 2–4 weeks from May through August. Stop feeding in fall.
• Winter care: Bring it in before nights fall below 50°F (growth stops below 50°F and leaves are damaged near freezing). Either grow it in a bright window and water sparingly, or cut the leaves back and store the pot dormant in a cool (45–55°F), dark basement, keeping the soil barely moist until spring.
• Pruning: Remove brown or broken leaves at the trunk. Keep one main stalk plus one or two pups (side shoots). After a stalk fruits, cut it to the ground — the pup takes over.
• Pests: Spider mites indoors (rinse the leaves), aphids and mealybugs.
• Fruit: A stalk needs about 10–15 months of warmth to flower, so fruit in Ohio is a bonus, not a guarantee. Harvest the bunch when the fingers are plump and rounded, and let it ripen indoors.
🐉 Dragon Fruit (Pitaya)
A climbing cactus with spectacular night-blooming flowers.
• Zone: 10–11. Grow it in a container in Zone 6b and bring it in for winter.
• Sun: Full sun to very bright light; ease it into full summer sun over a week or two.
• Pot & support: Cactus or citrus mix in a heavy pot with a sturdy post or trellis to climb.
• Water: Water when the top 2 inches are dry. Keep it on the dry side in winter — too much water causes rot.
• Fertilizer: A light dose of balanced fertilizer (like 6-6-6) every month or two from spring through summer. Keeping it on the dry side in winter helps it bloom.
• Winter care: Bring it inside before nights drop below 50°F. Bright window, little water.
• Pruning: Trim damaged stems and train the best stems up the support; let them cascade over the top to flower.
• Pests: Mealybugs and scale; root rot from overwatering.
📖 Plant Care Guides — 5 parts
1. Zone Finder & Storage
2. Citrus & Tropicals (you are here)
3. Trees, Shrubs & Perennials
4. Flowers & Hanging Baskets
5. Vegetables, Herbs & Garlic
🐞 For a full pest and disease guide and our Zone 6b planting calendar, see our Garden Guides.
🧼 Wash all produce before eating, and read our Food Safety & Disclaimers.
❓ Questions? Email info@poeslittlefarm.com or text “Poe’s” and your question to 419-349-8242 (texting hours Mon–Fri 9 am–5 pm, Sat 10 am–3 pm) — we’re happy to help.