Hibiscus roseus
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Hibiscus roseus

Sea hollyhock · Swamp rosemallow · Marshmallow · Swamp rose-mallow

Tier 2 Difficulty: medium Water: low Light: full_sun
Temperature
5–35 °C
Soil pH
6–8
Hardiness
Zone 5–9
Click count
3
Observations
1

Care Guide

💧 Water
☀️ Light Full sun

Hibiscus moscheutos subsp. moscheutos is native to well-lit, open settings where it flourishes in direct sunlight. It can endure some partial sun exposure, but its growth is most optimal in full sunshine. This plant, which is both annual and biennial, has a well-known affinity for sunlight.

Ideal: Full sun
🌡️ Temperature 5–35°C

Hibiscus moscheutos subsp. moscheutos exhibits a broad adaptability to various temperature environments, though certain combinations of heat and water conditions could still restrict its range. Optimal growth occurs in summer temperatures that are warm, supplemented with sufficient rain or watering. A longer span of cloudy, rainy weather or elevated temperatures could boost the chances of Hibiscus moscheutos subsp. moscheutos perishing. During the winter months, protection from cold weather can enhance the plant's chances of survival.

Ideal temperature: 5–35°C
💨 Humidity
Humidity:
🪴 Soil 6-8
Soil pH: 6-8
🌱 Fertilizer

When the Hibiscus moscheutos subsp. moscheutos has largely blossomed, it is the appropriate period to commence fertilization once more. As soon as the flowers reach their highest production count, set off the fertilization process every three to four weeks, depending on the weather conditions. Once you notice a reduction in the production of new flowers from the Hibiscus moscheutos subsp. moscheutos, discontinue the fertilization since the plant does not require it if it isn't producing additional blooms.

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

Characteristics

Plant Type
Herb
Life Cycle
Annual, Perennial
Genus
Hibiscus
Family
Malvaceae
Hardiness Zone
5-9
Mature Height
1.52 m to 2.44 m
Mature Spread
0.91 m to 1.52 m
Leaf Color
Green, Dark Green
Leaf Type
Deciduous
Flower Color
White, Pink
Flower Size
15.24 cm to 25.40 cm
Bloom Time
Summer, Early fall
Planting Time
Spring, Summer, Autumn
Harvest Time
Fall

Tags (6)

Common Names (4)

en Sea hollyhock
en Swamp rosemallow
en Marshmallow
en Swamp rose-mallow