Tropical Hibiscus (Hibiscus rosa-sinensis) - pink flowers, illustrated plant cardIllustration

Tropical Hibiscus

Hibiscus rosa-sinensis

Tropical Hibiscus blooms from June through October.

Bloom calendar
Bloom time
Jun–Oct
not yet checked
Hardiness
Zones 9–11
checked
Sun
Full sun
checked
Water
Moderate water
not yet checked
Mature size
5 ft × 3.5 ft
checked
Type
Shrub
house classification

Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.

Growing Tropical Hibiscus

Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 9–11. Expect it to reach about 5 ft tall and 3.5 ft wide at maturity, in roughly 2 years (not yet checked).

No toxicity note is on file for Tropical Hibiscus. That is not a clearance: check its safety for people and pets before planting.

Verification
What was checked

Mature height and spread, hardiness zones, sun and the trait tags were checked against named botanical sources for this plant. The bloom months and water need on this page were not, and each fact above says which. The planting, spacing and size sections are derived from these checked facts by a fixed rule, not checked separately, and the plant type is the library's own classification.

See the 9 sources it was checked against

When to plant Tropical Hibiscus

Plant Tropical Hibiscus in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. In zone 9, the middle of its hardy zones 9 to 11, spring means January to March and fall means October or November. Once settled, it blooms from June to October.

Month-by-month timing for your zone is on the planting calendar; if you garden near zone 9, the middle of this plant's hardy range, start with zone 9 in January. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.

How big does Tropical Hibiscus get?

Illustration of Tropical Hibiscus drawn to scale beside an adult5 fttall5 ft 7 inan adult3.5 ftwide
About 5 ft tall and 3.5 ft wide at maturity: about as tall as an adult.

See Tropical Hibiscus in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.

How far apart to plant Tropical Hibiscus

Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.

Space Tropical Hibiscus about 3.5 ft apart, center to center, so each plant has room to reach its full width.

Plant them
3.5 ft apart
Per 10 sq ft
one needs about 12 sq ft
4 by 8 ft bed
about 2

Add Tropical Hibiscus to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.

Where these facts come from

Tropical Hibiscus' height, spread, hardiness zones, sun and trait tags were checked against 9 published sources on July 30, 2026. Each one is linked below with every fact it carried, which can include a fact this page still marks as not yet checked, because a source carrying a value is not the same as the value being held to the standard. Facts not in that list, and the planting, spacing and size sections, are not covered by these sources.

How the checking works, and what each standard covers, is on the verified plants page.

Comes in 11 varieties across 6 colors

Same plant, same care - pick the color you are growing.

Compare every variety in the Tropical Hibiscus group

Every figure is the variety's own page fact. Tap a name to open it.

VarietyColorBloomsHardinessSunSize (H × W)
CoralOrangeJun–OctZones 9–11Full sun5 ft × 3.5 ft
FiestaOrangeJun–OctZones 9–11Full sun5 ft × 3.5 ft
Hula GirlYellowJun–OctZones 9–11Full sun5 ft × 3.5 ft
LavenderPurpleJun–OctZones 9–11Full sun5 ft × 3.5 ft
MagentaPinkJun–OctZones 9–11Full sun5 ft × 3.5 ft
OrangeOrangeJun–OctZones 9–11Full sun5 ft × 3.5 ft
PeachOrangeJun–OctZones 9–11Full sun5 ft × 3.5 ft
PresidentRedJun–OctZones 9–11Full sun5 ft × 3.5 ft
RedRedJun–OctZones 9–11Full sun5 ft × 3.5 ft
Tropicalthis pagePinkJun–OctZones 9–11Full sun5 ft × 3.5 ft
WhiteWhiteJun–OctZones 9–11Full sun5 ft × 3.5 ft
YellowYellowJun–OctZones 9–11Full sun5 ft × 3.5 ft

Good to know about Tropical Hibiscus

Curated from university extensions, botanic gardens and other primary sources, with the source named on every note. A note reports what its source says; where that differs from a fact above, the fact above is this entry's stored value, and its mark says whether it has been checked.

Worth knowing

Bud drop is a general stress signal, not one deficiency: it sheds buds from cold, heat, being moved, or swings between over- and under-watering. Keep conditions steady. per NC State

Overwinter indoors in cold zones

Anywhere colder than zone 9, grow it in a pot and bring it in before nights hit the mid-to-low 50s F; some leaf drop is normal. per University of Maryland

Not the hardy hibiscus

Nursery labels blur three plants: this frost-tender tropical, hardy Rose of Sharon, and hardy rose mallow. Check hardiness before planting in a cold zone. per Clemson

Each flower lasts a day

Each big, showy bloom opens for only about a day, but the plant flowers in flushes across spring, summer and fall, near year-round where it never frosts. per NC State

Draws hummingbirds, resists deer

The big nectar-rich flowers pull in hummingbirds, butterflies and other pollinators, and support a specialist mallow bee. Deer tend to leave it alone. per NC State

What pairs well with Tropical Hibiscus

Good companions share its growing conditions and add something it lacks: an earlier or later bloom, a lower carpet in front, or structure through winter.

  • Pansy

    Pansy

    Takes full sun to part sun and moderate water; opens in early spring and overlaps into this one's season; low at 8 in, to carpet the ground beneath.

  • Echeveria

    Echeveria

    Shares full sun and low to moderate water; opens in late spring and overlaps into this one's season; low at 4 in, to carpet the ground beneath; echoes the pink.

  • White Clover

    White Clover

    Shares full sun and moderate water; opens in late spring and overlaps into this one's season; low at 4 in, to carpet the ground beneath; both offer pollinator forage; they only overlap in zones 9 to 10.

  • Stock

    Stock

    Shares full sun and moderate water; opens in mid spring and overlaps into this one's season; lower at 1.5 ft, for the front of the border; echoes the pink.

  • Lobelia

    Lobelia

    Takes full sun to part sun and moderate water; low at 8 in, to carpet the ground beneath; both offer pollinator forage.

  • Freesia

    Freesia

    Shares full sun and moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; lower at 1.5 ft, for the front of the border; they only overlap in zones 9 to 10.

  • Rosemary

    Rosemary

    Shares full sun and low to moderate water; blooms in early spring, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter; they only overlap in zones 9 to 10.

  • Creeping Phlox

    Creeping Phlox

    Shares full sun and low to moderate water; blooms in mid spring, before this one opens; low at 6 in, to carpet the ground beneath; both offer pollinator forage, in different months; they only overlap in zone 9.

All 8 companion pairings for Tropical Hibiscus →

Try Tropical Hibiscus with its top companions in a garden →

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