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Hardy perennial
Saxifragaceae
Perennials
Astilbe 'Lilac'
Astilbe
Astilbe 'Lilac': 50 cm high and 50 cm spread, sun to partial shade. Violet flowers in June-July. Zone 4; choose a soil compatible with its moisture needs.
- Exposure
- Sun to partial shade
- Life cycle
- Hardy perennial
- Hardiness
- Zone 4
Discover the plant
Common nameAstilbe 'Lilac'
FamilySaxifragaceae
GenusAstilbe
CultivarLilac
TypeHardy perennial
Botanical nameAstilbe
With Astilbe 'Lilac', the flowerbed welcomes a plant whose flowers display shades of violet. The foliage features shades of green, to be highlighted among different textures. The usual flowering period is June-July. The clump reaches approximately 50 cm in height with a 50 cm spread; use these dimensions to position the plant in the middle of the flowerbed and for group plantings.
In terms of cultivation, Astilbe 'Lilac' prefers sun to partial shade exposure; the recommended soil is kept moist and clayey. For Astilbe 'Lilac', regularly check the soil around the root ball: it should remain fresh. Water at the base when the surface begins to dry and adjust watering according to rainfall; this exposure (sun to partial shade) does not eliminate water needs. A spacing of about 50 cm between centers serves as a starting point, to be adjusted according to observed vigor. The indicated hardiness level is zone 4, to be assessed according to your garden's conditions.
When planting Astilbe 'Lilac', monitor watering during hot weather and remove old stems when the clump regrows in spring. Drying out of the root ball shortens the flowering of astilbes and can cause the edges of the leaves to brown. For associations, consider campanulas, daylilies, and perennial geraniums in varieties with similar needs. The flowering (June-July) and spread of 50 cm will serve as guides for distributing other plants around this one.
Planting guide
From planting to establishment.
Spacing / density
50 cm
Best planting time
Spring after the thaw or early autumn, allowing time for the roots to settle before the severe cold.
Propagation
Division of clumps. Sowing does not guarantee the fidelity of a named cultivar.
Growing method
Astilbe 'Lilac': Spring after the thaw or early autumn, allowing the roots time to settle before the severe cold. For Astilbe 'Lilac', regularly check the soil around the root ball: it must remain moist. Water at the base when the surface begins to dry and adjust watering based on rainfall; this exposure (sun to partial shade) does not eliminate the need for water. Drying out of the root ball shortens the flowering period of astilbes and can cause the leaf edges to turn brown.
Soil and care
The right care,at the right time.
Soil pH
Acid to neutral to alkaline; general indication of the botanical group
Care level
Regular maintenance
Watering
For Astilbe 'Lilac', regularly check the soil around the root ball: it must remain moist. Water at the base when the surface starts to dry, and adjust watering based on rainfall; this exposure (sun to partial shade) does not eliminate the need for water.
Soil type
Moist, Clayey
Fertilization
Fertilizer for flowering
Moisture
Regular freshness during growth
Seasonal care
Astilbe 'Lilac': monitor watering during hot spells and remove old stems when the clump regrows in spring. During its flowering period (June-July), also look out for damaged stems and neighboring plants that could obscure the clump.
Container growing
A garden,within reach.
Recommended pot size
A stable and perforated container, noticeably wider than the root ball; size to be adapted to the format sold and the adult development.
To try Astilbe ‘Lilac’ in a container, choose a stable pot with drainage holes, suitable for the root ball and its future spread (50 cm). The substrate must remain moist; it will dry out faster than in the ground. Plan for winter protection for the container depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
50 cm
Width / spread
50 cm
Flower color
Purple
Foliage color
Green
Foliage type
Lapsed
Growth rate
Moderate
Growth habit
Erected
Fragrance
Not documented for this selection
Bloom period
June-July
Garden associations
In goodcompany.
Companion plants
Suggested companion plants for Astilbe ‘Lilac’: bellflowers, daylilies, perennial geraniums. Choose varieties that tolerate sun to partial shade and comparable moisture; allow each clump its adult space.
Plants to avoid
Around Astilbe ‘Lilac’, above all avoid neighbors 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 Astilbe 'Lilac'?
Expect sun to partial shade and suitable soil (kept moist, clayey). Drying out of the root ball shortens the flowering period of astilbes and can cause the edges of the leaves to turn brown.
Where should I plant Astilbe 'Lilac'?
Expect a height and width of about 50 cm at maturity. Approximately 50 cm between centers, to be adjusted according to the actual clump development. This size is suitable for use in the middle of a flowerbed and for group planting.
When does Astilbe 'Lilac' bloom?
The period indicated is June-July. The flower color is purple. The exact date and duration depend on the climate, the season, and when the plant was installed.
How to water and care for Astilbe ‘Lilac’?
For Astilbe ‘Lilac’, regularly check the soil around the root ball: it must remain fresh. Water at the base when the surface starts to dry out and adjust the watering frequency according to rainfall; this exposure (sun to partial shade) does not eliminate the need for water. Monitor watering during hot spells and remove old stems when the clump regrows in spring.
Can Astilbe ‘Lilac’ be grown in a pot?
To try Astilbe ‘Lilac’ in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (50 cm). The substrate must remain moist; it will dry out faster than in the ground. Plan to protect the container in winter depending on your climate.
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