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Choose your climateBased on winter hardiness only.

Perennial · Euphorbiaceae family

Euphorbia amygdaloides robbiae

Euphorbia amygdaloides subsp. robbiae

Part shade to shade 11¾ in–1 ft 7⅝ in × 11¾ in–1 ft 3¾ in Flowers April–June to −73 °F
Flower colors Click a color

In short a 10-second read

LightPart shade to shade
Size11¾ in–1 ft 7⅝ in
spacing 15 in
FlowersApril–June
PlantingApril–May
WinterNo winter protection

Where to plant and how much to water

Light, soil and water.

It grows best in part shade to shade, in dry to average soil.

Sun

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

Soil

tolerates any pH
acidicneutralalkaline
dry to averageloamysandy

Watering

drought tolerant once establishedless when it rains

Frost

−73 °F
no winter protectiongreen in winter too

How much space it takes

Mature size.

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

19¾ in3 ft 3⅜ in4 ft 11 in11¾ in–1 ft 7⅝ inspread 11¾ in–1 ft 3¾ in
11¾ in–1 ft 7⅝ in× spread 11¾ in–1 ft 3¾ in

Plant 15 in apart.

Reaches maturity in about 2–5 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: nothing to do — the next job is in April.
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

April–June · green or yellow

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

container plant: April–May

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

March–May

Feeding

Nutrition.

Light
balanced fertilizercompost or mulch
JanFebMarAprMayJunJulAugSepOctNovDec

Pests and diseases

Common problems and what to do.

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

What you will see

Colonies on shoot tips and young leaves, sticky honeydew.

When to look

Spring – summer

How to protect

  1. Prevention
    • Check plants often and act early.
    • Encourage ladybirds, hoverflies, ground beetles and ichneumon wasps.
  2. By hand spring and summerSquash colonies with your fingers; wipe off honeydew with a damp cloth.
  3. Biological April to JuneLeave natural enemies to work; populations often catch up in spring.
Aphidspest · spring – summer

What you will see

Colonies on shoot tips and young leaves, sticky honeydew.

When to look

Spring – summer

How to protect

  1. Prevention
    • Check plants often and act early.
    • Encourage ladybirds, hoverflies, ground beetles and ichneumon wasps.
  2. By hand spring and summerSquash colonies with your fingers; wipe off honeydew with a damp cloth.
  3. Biological April to JuneLeave natural enemies to work; populations often catch up in spring.
More about this problem
Sources (2)

Frequently asked

Quick answers.

When does Euphorbia amygdaloides robbiae flower?

In April–June; the flowers are green or yellow.

Does Euphorbia amygdaloides robbiae tolerate shade?

Yes, it tolerates full shade.

How much space does Euphorbia amygdaloides robbiae need?

At maturity 11¾ in–1 ft 3¾ in wide and 11¾ in–1 ft 7⅝ in tall; recommended spacing 15 in.

Aphids — what can you do?

Check plants often and act early. Squash colonies with your fingers; wipe off honeydew with a damp cloth.

Sources (14) Checked 24 October 2026

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