Hibiscus hamabo
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Hibiscus hamabo

Yellow rosemallow · Hamabo

Tier 2 Difficulty: easy Water: low Light: full_sun
Temperature
20–37 °C
Soil pH
6–7
Hardiness
Zone 9–11
Click count
98
Observations
4

Description

Source: leafsnap

Hibiscus hamabo, the hardy yellow hibiscus, is a species of shrub in the genus Hibiscus that is native to the coastlines of China, Japan, and Korea. It is characterized by yellow flower coloring as well as orbicular shaped leaves. In its native environment it is a perennial.

Care Guide

💧 Water
☀️ Light Full sun

The hardy yellow hibiscus performs best with strong light throughout the day. It can also tolerate moderate daylight, a trait tied to its native, typically lush tropical habitat. Too much or too little light can hinder growth, fade the flower’s color, or shorten the blooming period.

Ideal: Full sun
🌡️ Temperature 20–37.8°C

The hardy yellow hibiscus is a plant native to temperate regions and grows best at temperatures of 68 to 100 °F (20 to 38 ℃). It can tolerate sudden temperature shifts during the seasons, but it will develop most successfully when maintained within its preferred thermal range.

Ideal temperature: 20–37.8°C
💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

The best time to fertilize a Hardy yellow hibiscus is in early spring, when it is coming out of dormancy. This encourages overall growth and the development of flowers. Fertilizing improves the foliage, stems, and branches, while encouraging flowers that are large, bright, and long-lasting. It helps transfer nutrients from the roots to the flowers and enhances the plant’s health and resistance to disease.

🪴 Pot & Repot
✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Tree, Shrub
Life Cycle
Perennial
Genus
Hibiscus
Family
Malvaceae
Hardiness Zone
9-11
Mature Height
0.91 m to 3.05 m
Mature Spread
1.52 m to 3.05 m
Leaf Color
Dark Green
Leaf Type
Evergreen
Flower Color
Yellow
Flower Size
5.08 cm
Bloom Time
Summer, Early fall, Mid fall
Planting Time
Spring, Summer, Autumn
Harvest Time
Fall, Early winter, Mid winter
Native Area
Japan, South Korea

Tags (6)

Common Names (2)

en Yellow rosemallow
en Hamabo