How to grow Cottonwood hibiscus

Cottonwood hibiscus growing small tree or shrub of the genus Hibiscus also known as Sea hibiscus or Hibiscus tiliaceus, Cottonwood hibiscus perennial evergreen plant, grow mostly as ornamental plant and as hedge plant, but also grow for edible leaves, flowers, bark and roots also can use as medical and fragrant flowers and can be bonsai tree, can grow in tropic, mediterranean or subtropical climate and growing in hardiness zone 10+

Leaves edible the color can be: green, red, white the leaves can be variegate, the leaf in heart shape.

Cottonwood hibiscus flowers

Flower edible and fragrant the color can be yellow and after become mature the color changed to red.

Root and bark also edible.

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How to grow Cottonwood hibiscus growing and care:

Sandy, well drain soil, no more than light frost, pruning the tree once a year

What is the best way to start growing?
Plant / Seed (explanation below) / Vegetative Reproduction – start by cutting but it’s harder to take care than to start by seeds, requirements: moist soil, high humidity, peat soil, hormone for root growth

Is it necessary to use vegetative reproduction?
Yes, to get the same cultivar and colors

Difficulties or problems when growing:

Recommended planting season?
All year in hardiness zone 11b, spring to autumn hardiness zone 10b-11a, spring to summer in hardiness zone 10a

Pests and diseases:

Pruning season:
All year

How to prune:
For design and dead parts, for tree when young need to prune all the side branches or shrub need to prune the top of the main trunk in order to induce more side branches

Pruning as hedge plant:
When growing as hedge plant need to prune it in the top that will grow more one the side, in order to keep the plant full and not empty from the inside need to prune the stems and try to expose them to light.

Size of the plant:
3-10 m, 10-30 feet

Growth speed in optimal condition growth rate:
Fast growing / Medium growing

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

Light conditions in optimal condition for growing:
Full Sun – bloom well and / Half Shade / Full Shade with light

Is it possible to grow indoor as houseplant?
Yes, when grow indoor need to verify that there is enough light

Growing is also possible in a planter /flowerpot / containers:
Yes, start with small pot 20-30% bigger than the roots ball, every time that switch the container to bigger switch some of the soil to new soil until arrive to the desirable container size, after that every few years better to switch part of the soil and prune some roots also once a year pruning for the tree, no need to take the plant out just from the side of the container, soil can be used potting soil or mixture or peat soil and perlite

Hibiscus tiliaceus bonsai:
Bonsai tree care need to take and prune from the top the stem and roots

Blooming information

Bloom season:
Spring / Summer

General information about the flower
Yellow flowers and after become mature the color changed to red

Pollination is done by:

Uses of Cottonwood hibiscus flower:
Raw, cooked

Edible leaves

Leaves harvesting season:
All year

How to harvest the leaves?
After it’s establish cut freely, take care to cut with the stems

Information about leaves:
heart shape leaf in color green, red, white the leaves can be variegate

Uses of Cottonwood hibiscus leaves:
Raw, cooked, stuffed

Hibiscus tiliaceus seeds

Sowing requirement:
Better in peat soil with vermiculite possible in other soils, care the soil won’t dry

Saving seeds until sowing:
Dry and dark location, keep it room temperature

Sowing season:
Spring will be the best for the tree but possible in summer, and in hardiness zone 12+ possible all year

Planting spacing:
Better in different pots – because need to graft it after and some won’t establish, better to choose the best to transplant to the real location

Depth of Sowing:
3-5cm, (~1-2inches)

Conditions for seeds germinate:
Moist soil, sunny location, water regularly and don’t let it dry

Watering requires for Seeds:
Average amount of water

Germination time:
2-6 weeks

Condition of seedling:
Sunny location, humidity and moist soil

Scientific name:

Hibiscus tilliaceus

Blooming Seasons

Edible Parts

Culinary Uses

Flower Colors


Harvest season

Leaf color

Ornamental parts

Plant growing speed

Plant life-form

Plant uses

Planting season

Plants sun exposure

Watering plants

Hardiness zone