How to grow Hibiscus trionum

Hibiscus trionum growing shrub‎ of the genus Hibiscus also known as Flower of an hour or Bladder hibiscus, Hibiscus trionum annual and used as ornamental plant, can grow in subtropical, mediterranean, temperate, desert or tropic climate and growing in hardiness zone 5+.

Leaves color green in rhomboid deeply lobbed shape.

Hibiscus trionum flowers

Flower color white to yellow, the inner part is red-bordeaux in trumpet shape.

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How to grow Hibiscus trionum growing and care:

Well drained soil

What is the best way to start growing?
Plant / Seed / Vegetative Reproduction

Is it necessary to graft or use vegetative reproduction?

Difficulties or problems when growing:

Recommended planting season?
Winter, spring, summer

Pests and diseases:
Nematode, galls

Pruning season:
All growing season

How to prune:
Just for design

Size of the plant:
30-50cm, 12-20 inches

Growth speed in optimal condition:
Fast growing / Medium growing

Water requirement:
Average amount of water / Big amount of water

Light conditions in optimal condition for growing:
Full Sun / Half Shade

Is it possible to grow indoor as houseplant?

Growing is also possible in a planter /flowerpot / containers:

Blooming information

Bloom season:
Spring / Summer / Autumn

General information about the flower
Trumpet shape in white or yellow color, the inner part is red-bordeaux

Pollination is done by:
Bee, self-pollination

Scientific name:

Hibiscus trionum

Blooming Seasons

Flower Colors


Ornamental parts

Plant growing speed

Plant life-form

Plant uses

Planting season

Plants sun exposure

Watering plants

Hardiness zone