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Hardy perennial
Euphorbiaceae
Perennials
Cushion spurge
Cushion Spurge
Cushion Spurge: 60 cm high and 60 cm spread, full sun to partial shade. Yellow flowers in May-June. Zone 4; choose soil compatible with its moisture needs.
- Exposure
- Sun to partial shade
- Life cycle
- Hardy perennial
- Hardiness
- Zone 4
Discover the plant
Common nameCushion spurge
FamilyEuphorbiaceae
GenusEuphorbia
Speciespolychrome
TypeHardy perennial
Botanical nameCushion Spurge
The silhouette of Cushion Spurge (Euphorbia polychroma) adds dimension to garden compositions. Its foliage displays shades of green, which can be highlighted among different textures. The usual flowering period is May-June. Its size, 60 cm by 60 cm, reserves it a place in the middle of a flowerbed and in group plantings, without forgetting its neighbors' space.
To plant Cushion Spurge, look for the following exposure: sun to partial shade and suitable soil (well-drained garden soil, retaining moderate moisture during establishment). Support the rooting of Cushion Spurge with deep watering, then check the moisture before watering again. Adjust the frequency according to rain and heat; avoid small daily applications on already moist soil. Maintain a spacing of 60 cm between plants; this helps preserve their shape and allows access for care. The indicated hardiness zone is zone 4, to be assessed according to your garden's conditions.
To maintain the interest of Cushion Spurge after flowering, keep the foliage healthy after blooming to allow the plant to continue its growth. Keep the crown clear and observe recovery before removing damaged parts. For companion planting, consider coneflowers, campanulas, and perennial geraniums in varieties with similar needs. The flowering period (May-June) and the spread of 60 cm will serve as markers for distributing other plants around this plant.
Planting guide
From planting to establishment.
Spacing / density
23.62 inches
Best planting time
Spring after the thaw or early autumn, allowing time for the roots to establish before the cold weather sets in.
Growing method
Cushion spurge: Spring after the thaw or early autumn, allowing the roots time to establish before the deep cold. Support the rooting of cushion spurge with deep watering, then check the moisture before watering again. Adjust the frequency according to rain and heat; avoid small daily applications on already moist soil. Keep the root collar clear and observe the regrowth before removing damaged parts.
Soil and care
The right care,at the right time.
Care level
Routine maintenance
Watering
Accompany the rooting of Euphorbia polychroma with deep watering, then check the moisture before watering again. Adjust the frequency to rainfall and heat; avoid small daily additions to soil that is already moist.
Soil type
Drained garden soil, retaining moderate moisture during installation
Fertilization
Fertilizer for flowering
Moisture
Moderate humidity; water according to the actual state of the root ball
Seasonal care
Cushion Spurge: after flowering, keep the foliage healthy to allow the plant to continue growing. During its flowering period (May-June), also check for damaged stems and neighboring plants that could hide the clump.
Container growing
A garden,within reach.
Recommended pot size
Stable and perforated container, significantly wider than the root ball; size to be adapted to the format sold and adult development.
To grow Euphorbe polychroma in a container, choose a stable pot with drainage holes, suited to the root ball and its future size (60 cm). Water must drain freely after each watering; check the root ball more often than you would in the ground. Plan to protect the container in winter depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
24 inches (61 cm)
Width / spread
24 inches (61 cm)
Flower color
YELLOW
Foliage color
Green
Foliage type
Deciduous in cold climates
Growth rate
Fast
Growth habit
Bushy
Fragrance
Undocumented for this selection
Bloom period
May-June
Garden associations
In goodcompany.
Companion plants
Associations to consider for Euphorbia polychroma: coneflowers, bellflowers, perennial geraniums. Choose varieties that tolerate sun to partial shade and comparable moisture; allow each clump its adult space.
Plants to avoid
Around cushion spurge, above all avoid neighbours that would cover its leaves or strongly compete with its root ball. Compatibility of light, water and spread takes precedence over a list of so-called enemy plants.
Frequently asked questions
Your questions,answered.
Where to plant Euphorbia polychroma?
Provide full sun to partial shade and suitable soil (well-drained garden soil, retaining moderate moisture during establishment). Keep the root collar clear and observe recovery before removing damaged parts.
Where should I put Euphorbia polychroma?
Allow for approximately 60 cm in height and 60 cm in width at maturity. Approximately 60 cm between centers, to be adjusted according to the actual development of the clump. This size is suitable for use in the middle of a flower bed and for group plantings.
When does Euphorbia polychroma bloom?
The indicated period is May-June. The flower color is yellow. The exact date and duration depend on the climate, the season, and the plant's establishment.
How to water and care for Euphorbia polychroma?
Accompany the establishment of Euphorbia polychroma with deep watering, then check the moisture before watering again. Adjust the frequency according to rain and heat; avoid small daily waterings on already moist soil. Keep the foliage healthy after flowering to allow the plant to continue growing.
Can *Euphorbia polychroma* be grown in a pot?
To try Euphorbia polychroma in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (60 cm). Water should drain freely after each watering; check the root ball more often than you would for plants in the ground. Plan to protect the container in winter depending on your climate.
Wildlife and pets
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