EN
Open Studio
GridGarden Studio
Choose your climateBased on winter hardiness only.

Tree · Hamamelidaceae family

Persian ironwood

Parrotia persica

Full sun to part shade in a garden ~13 ft 1½ in × ~9 ft 10⅛ in Flowers February–March to −84 °F
Flower colors Click a color

In short a 10-second read

SunFull sun to part shade
in a garden after 10 years~13 ft 1½ in
in the wild up to 32.8 ft
spacing 19 ft 8¼ in
FlowersFebruary–March
PlantingMarch–April, October–November
WinterNo winter protection

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun to part shade, in average soil.

Sun

Sun6 hours or more
Part shade3–6 hours
Shadeunder 3 h

Soil

tolerates any pH
acidicneutralalkaline
averageloamyclayhumus-rich

Watering

regularly until establishedat the base, not on the leavesless when it rains

Frost

−84 °F
no winter protectionleafless in winter

How much space it takes

Mature size.

The mature plant next to a person (69 in).

3 ft 3⅜ in6 ft 6¾ in9 ft 10⅛ in13 ft 1½ in16 ft 4⅞ in19 ft 8¼ in22 ft 11⅝ in26 ft 3 in29 ft 6⅜ in32.8 ft19 ft 8¼ in–32.8 ftspread 19 ft 8¼ in–32.8 ft
19 ft 8¼ in–32.8 ft× spread 19 ft 8¼ in–32.8 ft

Plant 19 ft 8¼ in apart.

Reaches maturity in about 20–50 years. The final size depends on the cultivar and the spot — we give the range from smallest to largest.

Calendar

Through the year.

Typical for a temperate climate (four seasons). The line shows the current month.

The year at a glance

Flowers: JanuaryFlowers: FebruaryFlowers: MarchFlowers: AprilFlowers: MayFlowers: JuneFlowers: JulyFlowers: AugustFlowers: SeptemberFlowers: OctoberFlowers: NovemberFlowers: DecemberPlanting: JanuaryPlanting: FebruaryPlanting: MarchPlanting: AprilPlanting: MayPlanting: JunePlanting: JulyPlanting: AugustPlanting: SeptemberPlanting: OctoberPlanting: NovemberPlanting: DecemberFeeding: JanuaryFeeding: FebruaryFeeding: MarchFeeding: AprilFeeding: MayFeeding: JuneFeeding: JulyFeeding: AugustFeeding: SeptemberFeeding: OctoberFeeding: NovemberFeeding: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersPlantingFeeding
Now, in October: a good time for planting (container plant, bare-root, root-balled).
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

February–March · red

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

container plant: March–April, October–November; bare-root: March–April, October–November; root-balled: March–April, October–November

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

May–June

Feeding

Nutrition.

Horn meal

up to 0.18 oz/sq ft a year, if the soil needs it · May–June

JanFebMarAprMayJunJulAugSepOctNovDec

Pests and diseases

Common problems and what to do.

The most common problems in Central Europe. Protection is listed from the gentlest option.

No serious pests or diseases

The source lists no significant problems.

Sources (2)

Frequently asked

Quick answers.

When does Persian ironwood flower?

In February–March; the flowers are red.

Does Persian ironwood tolerate shade?

It tolerates part shade (3–6 hours of sun), but not full shade.

How much space does Persian ironwood need?

At maturity 19 ft 8¼ in–32.8 ft wide and 19 ft 8¼ in–32.8 ft tall; recommended spacing 19 ft 8¼ in.

Sources (14) Checked 24 October 2026

Similar plants

Have a look at these too.

Judas tree

Cercis siliquastrum

16 ft 4⅞ in–32.8 ft × 16 ft 4⅞ in–26 ft 3 in
Low maintenancetree
Plan this plant in your garden in Studio