1. Sunlight
Need for sun: Hibiscus plants need full sunlight for at least 6 hours a day. A sunny window or a spot in your garden with plenty of direct sunlight is ideal for them to thrive and produce beautiful flowers.
2. Watering
Keep soil moist but not soggy: Water the hibiscus plant regularly, especially in the warmer months when it’s actively growing. Ensure that the soil is kept moist but not waterlogged. Overwatering can lead to root rot.
Check the soil moisture: Stick your finger into the soil—if it feels dry 1-2 inches down, it’s time to water.
Watering frequency: Water deeply, but allow the soil to dry out a bit between waterings.
3. Soil
Well-drained, slightly acidic soil: Hibiscus plants prefer well-draining, loamy soil that is slightly acidic. Ensure that the soil has good drainage to avoid waterlogging.
4. Temperature
Warm climate: Hibiscus plants thrive in warm temperatures, ideally between 60-90°F (15-32°C). Protect them from frost as they are not frost-tolerant.
Indoor temperatures: If you grow your hibiscus indoors, keep it away from cold drafts and ensure it's placed in a warm spot.
5. Fertilizing
Feed during growing season: Hibiscus plants are heavy feeders. Fertilize with a balanced, water-soluble fertilizer once a month during the growing season (spring through summer).
Low-phosphorus fertilizers: Hibiscus plants particularly benefit from fertilizers that have a higher potassium and nitrogen ratio, rather than a lot of phosphorus.
6. Pruning
Encourage bushy growth: Prune hibiscus plants regularly to remove dead or damaged branches and encourage a bushy growth habit. You can also cut back the plant to shape it, but avoid heavy pruning during the blooming season.
Deadheading: Remove spent blooms to encourage new flowers.
7. Pests and Diseases
Watch for pests: Hibiscus plants can attract aphids, spider mites, and whiteflies. Inspect the leaves regularly and treat any infestations promptly with insecticidal soap or neem oil.
Prevent fungal issues: Avoid overhead watering and ensure good air circulation to prevent mold and mildew.
8. Repotting
Every 1-2 years: Hibiscus plants may need to be repotted every 1-2 years, especially if they outgrow their current container. Choose a slightly larger pot and ensure it has proper drainage.
9. Winter Care
Indoor care in colder climates: If you live in a colder climate, bring your hibiscus indoors during the winter. It will need less water, but it still requires some sunlight. A south-facing window with plenty of sunlight is ideal.