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Hardy perennial
Saxifragaceae
Perennials
Astilbe 'Superba'
Astilbe taquetii
Astilbe ‘Superba’: 110 cm tall and 50 cm spread, sun to partial shade. Violet flowers in August-September. Zone 3; choose a soil compatible with its moisture needs.
- Exposure
- Partial shade
- Life cycle
- Hardy perennial
- Hardiness
- Zone 3
Discover the plant
Common nameAstilbe 'Superba'
FamilySaxifragaceae
GenusAstilbe
SpeciesOK
CultivarSuperb
TypeHardy perennial
Botanical nameAstilbe taquetii
The silhouette of Astilbe 'Superba' (Astilbe taquetii 'Superba') adds character to garden compositions. The foliage features shades of green, which should be highlighted among different textures. The usual flowering period is August-September. The clump reaches approximately 110 cm in height and spreads to 50 cm; use these dimensions to position the plant at the back of a flowerbed and as a focal point.
In terms of cultivation, Astilbe 'Superba' prefers full sun to partial shade; the recommended soil should be kept moist and clayey. For Astilbe 'Superba', 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 (full sun to partial shade) does not eliminate water requirements. A spacing of approximately 50 cm between centers serves as a starting point, to be adjusted according to observed vigor. The indicated hardiness level is zone 3, to be evaluated according to your garden's conditions.
Maintenance of Astilbe 'Superba' primarily involves observing the clump: monitor watering during hot weather and remove old stems when the clump regrows in spring. Drying of the root ball shortens the flowering of astilbes and can cause the edges of the leaves to brown. For plant pairings, consider echinaceas, campanulas, and perennial geraniums in varieties with similar needs. The flowering period (August-September) and the 50 cm spread will serve as guides for arranging 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. Seedlings do not guarantee the fidelity of a named cultivar.
Growing method
Astilbe 'Superba': Spring after the thaw or early autumn, allowing time for the roots to establish before the severe cold. For Astilbe 'Superba', 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 according to 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 edges of the leaves 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 ‘Superba’, regularly check the soil around the root ball: it must remain moist. Water at the base when the surface starts to dry and adjust the amount of water according to rainfall; this exposure (sun to partial shade) does not eliminate the need for water.
Soil type
Kept damp, Clayey
Fertilization
Fertilizer for flowering
Moisture
Regular freshness during growth
Seasonal care
Astilbe ‘Superba’: monitor watering during heatwaves and remove old stems when the clump regrows in spring. During its flowering period (August-September), also watch out for damaged stems and neighboring plants that could overshadow the clump.
Container growing
A garden,within reach.
Recommended pot size
A stable, perforated container, significantly wider than the root ball; size to be adapted to the format sold and the adult development.
To try Astilbe ‘Superba’ 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 open ground. Plan to protect the container in winter depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
110 cm
Width / spread
50 cm
Flower color
Purple
Foliage color
Green
Foliage type
Lapsed
Growth rate
Moderate
Growth habit
Erected
Fragrance
Undocumented for this selection
Bloom period
August-September
Garden associations
In goodcompany.
Companion plants
Companion plants for Astilbe ‘Superba’: echinaceas, campanulas, perennial geraniums. Choose varieties that tolerate sun to partial shade and comparable moisture; allow each clump its adult space.
Plants to avoid
Around Astilbe 'Superba', above all, avoid neighbors that would cover its leaves or strongly compete with its root ball. Compatibility of light, water, and size takes precedence over a list of so-called enemy plants.
Frequently asked questions
Your questions,answered.
Where to plant Astilbe 'Superba'?
Expect sun to partial shade and suitable soil (kept moist, clayey). Drying out of the root ball shortens the blooming period of astilbes and can cause the edges of the leaves to brown.
What place should be reserved for Astilbe 'Superba'?
Expect the plant to reach about 110 cm in height and 50 cm in width at maturity. Allow approximately 50 cm between plant centers, adjusting according to the actual development of the clump. This size is suitable for use at the back of a border or as a focal point.
When does Astilbe 'Superba' bloom?
The period indicated is August-September. The flower palette is purple. The exact date and duration depend on the climate, the season, and the plant's establishment.
How to Water and Care for Astilbe 'Superba'?
For Astilbe 'Superba,' regularly check the soil around the root ball: it should remain moist. Water at the base when the surface begins to dry and adjust the amount of water according to rainfall; this exposure (sun to partial shade) does not eliminate the need for water. Monitor watering during hot weather and remove old stems when the clump regrows in spring.
Can Astilbe 'Superba' be grown in a pot?
To try Astilbe ‘Superba’ 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.
Wildlife and pets
Life,around your plants.
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