Tropical hibiscus isn’t hardy enough to stay outside yearlong in the majority of Northern California. Temperatures below 55 degrees kill back the plant. Extended cool periods or lower temperatures will even kill the main system off. Bringing the plant inside for the winter not just ensures that it succeeds, but it allows the hibiscus to continue blooming.
The dimensions of the container depends on the size of this plant. The pot has to be big enough to enable the roots to spread and support the growth. Pruning in late winter keeps the plant compact and small, allowing you to develop hibiscus in smaller containers that are 1-gallon if wanted. Since the plants can’t tolerate waterlogged soil use container with drainage holes. The best growing medium is provided by A rich potting soil.
Sunlight and Water
Hibiscus plants require direct sunlight to blossom. Since winter is usually the rainy season this can be an issue in certain regions of the Bay Area. Place the pot in a window that receives the direct light possible. Supplement natural light with four hours beneath an artificial increase light on overcast days if winter flowering is valuable to you. Keep the indoor temperatures. Avoid putting the plant in regions vulnerable to the atmosphere or cold drafts from heat vents.
Irrigation and Fertilization
Like many crops, hibiscus requires frequent irrigation and moist soil. Feel the dirt per week and water when the top inch starts to feel tender but until it dries out completely. Water from the surface until moisture starts dripping out the drainage holes. Always empty the water in the drip tray after irrigation, because standing water can cause soggy dirt and root rot. Hibiscus demands. A balanced soluble fertilizer at half the recommended strength every eight to 12 weeks.
Summer temperatures in Northern California and spring allow you to develop hibiscus outside successfully. Once the temperatures had climbed above 60 degrees Fahrenheit, Transfer potted plants that are overwintered out. Place the pot in a secure area, like on a covered porch, and gradually move it into more direct sunshine over the course of a week. This permits the plant to acclimate to light outside. Since the soil tends to dry out when kept outside, the plant may require watering.