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Hardy perennial
Asteraceae
Perennials
Coreopsis 'Moonbeam'
Threadleaf Coreopsis
Coreopsis 'Moonbeam': 60 cm high and 60 cm spread, full sun exposure. Yellow flowers in June-Oct. Zone 4; choose soil compatible with its moisture needs.
- Exposure
- Sun
- Life cycle
- Hardy perennial
- Hardiness
- Zone 4
Discover the plant
Common nameCoreopsis 'Moonbeam'
FamilyAsteraceae
GenusCoreopsis
Speciesverticillate
CultivarClair de lune
TypeHardy perennial
Botanical nameThreadleaf Coreopsis
The silhouette of Coreopsis ‘Moonbeam’ (Coreopsis verticillata ‘Moonbeam’) adds dimension to garden compositions. Its foliage displays shades of green, which stand out among different textures. The usual flowering period is June-October. When mature, it reaches 60 cm in height and 60 cm in width, making it suitable for mid-border placement and group plantings.
Soil choice is essential for Coreopsis ‘Moonbeam’: well-drained garden soil that retains moderate moisture during establishment. The preferred exposure is full sun. Support the rooting of Coreopsis ‘Moonbeam’ with deep watering, then check the moisture level before watering again. Adjust the frequency to rainfall and heat; avoid small daily waterings on already moist soil. A spacing of about 60 cm between centers is a starting point, to be adjusted according to observed vigor. The indicated hardiness zone is zone 4, to be assessed according to your garden conditions.
The maintenance of Coreopsis ‘Moonbeam’ primarily relies on observing the clump: remove spent flower heads if you wish to maintain a tidy bed and monitor moisture during rooting. Excessive fertility can unbalance the coreopsis clump; prioritize drainage and sufficient light. For pairings, consider echinaceas, campanulas, and perennial geraniums in varieties with similar needs. The flowering period (June-October) and 60 cm spread will serve as guides for arranging other plants around this one.
Planting guide
From planting to establishment.
Spacing / density
23.62 inches
Best planting time
Spring after the thaw or early fall, allowing the roots time to establish themselves before the severe cold.
Propagation
Division of clumps; root cuttings. Sowing does not guarantee the fidelity of a named cultivar.
Growing method
'Moonbeam' Coreopsis: Spring after the thaw or early fall, allowing the roots time to establish before the severe cold. Support the rooting of 'Moonbeam' Coreopsis with deep watering, then check the moisture before watering again. Adjust frequency to rain and heat; avoid small daily waterings on already moist soil. Excessive fertility can unbalance the coreopsis clump; prioritize drainage and sufficient light.
Soil and care
The right care,at the right time.
Soil pH
Acid to neutral; general indication of botanical group
Care level
Routine maintenance
Watering
Accompany the establishment of Coreopsis 'Moonbeam' with deep watering, then check the moisture before watering again. Adjust frequency based on rain and heat; avoid small daily waterings on already moist soil.
Soil type
Well-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
Coreopsis 'Moonbeam': remove spent flowers if you want to keep the bed tidy, and monitor moisture during rooting. During its flowering period (June-October), also keep an eye on damaged stems and neighboring plants that might obscure the clump.
Container growing
A garden,within reach.
Recommended pot size
Stable, perforated container, significantly wider than the rootball; size to be adapted to the format sold and the adult development.
To try Coreopsis ‘Moonbeam’ 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.
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
Lapsed
Growth rate
Fast
Growth habit
Erected
Fragrance
Not documented for this selection
Bloom period
June-October
Garden associations
In goodcompany.
Companion plants
Companion plants to consider for Coreopsis 'Moonbeam': coneflowers, bellflowers, perennial geraniums. Choose varieties that tolerate sun and similar moisture levels; allow each clump enough space to reach its mature size.
Plants to avoid
Around Coreopsis ‘Moonbeam’, especially 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 Coreopsis 'Moonbeam'?
Provide sunlight and a suitable soil (drained garden soil, retaining moderate moisture during establishment). Excessive fertility can unbalance the coreopsis clump; prioritize drainage and sufficient light.
Where should I plant Coreopsis 'Moonbeam'?
Expect a height and spread of around 60 cm at maturity. Space plants approximately 60 cm on center, adjusting according to the actual development of the clump. This size is suitable for use in the middle of borders and for group plantings.
When does Coreopsis ‘Moonbeam’ bloom?
The indicated period is June-October. 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 Coreopsis 'Moonbeam'?
As Coreopsis ‘Moonbeam’ roots, water deeply, then check the moisture before watering again. Adjust the frequency based on rain and heat; avoid light daily watering on already moist soil. Remove spent blooms to maintain a tidy bed and monitor moisture during rooting.
Can Coreopsis 'Moonbeam' be grown in a pot?
To try Coreopsis ‘Moonbeam’ 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 in the ground. Depending on your climate, plan to protect the container in winter.
Wildlife and pets
Life,around your plants.
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