Chrysogonum virginianum
Chrysogonum virginianum
Chrysogonum virginianum
Chrysogonum virginianum
Chrysogonum virginianum
Chrysogonum virginianum
Chrysogonum virginianum
Chrysogonum virginianum
Chrysogonum virginianum
Chrysogonum virginianum
Chrysogonum virginianum
Chrysogonum virginianum
Chrysogonum virginianum
Green-and-gold, Golden Knee, Goldenstar
Already purchased last year, an exceptional plant with beautiful flowering from April to October-November, lovely colors and, best of all, not a favorite of slugs!
Marie, 01/05/2025
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Description
Chrysogonum virginianum, also known as Golden Knee, is a perennial ground cover that slowly spreads through underground stems. It is covered from late spring to autumn, without interruption, with heads resembling golden yellow zinnia flowers. Easy to grow in moist soil, in the sun or light shade.
Chrysogonum virginianum belongs to the Asteraceae family, it is part of the sunflower tribe, which its spreading character does not reveal. This herbaceous plant is native to the Eastern United States, specifically wooded areas of Pennsylvania, Florida, and Louisiana. It forms a 30 cm (12in) tall ground cover, spreading at least 50 cm (20in), with slow growth. The flowering period is particularly long, continuous from May to November. The daisy-like heads with 5 wide ray florets measure 2 to 4 cm (1 to 2in) in diameter. The name of this plant, 'Golden Knee' refers to the nodes on the stem that resemble a joint. The plant spreads through long rhizomes that produce short, upright stems with opposite, cordate leaves resembling lemongrass. The bright green foliage is deciduous.
Chrysogonum virginianum will find a place in moist, shaded rockeries, along pathways, to dress the base of roses or the front of perennial borders. It can be paired with tradescantia cerinthoïdes, Geranium 'Ann Thompson' or Geranium 'Dilys' . This perennial will also thrive at the edge of water features, in moist soil and a sunny exposure.
Chrysogonum virginianum in pictures
Flowering
Foliage
Plant habit
Botanical data
Chrysogonum
virginianum
Asteraceae
Green-and-gold, Golden Knee, Goldenstar
North America
Planting and care
Chrysogonum virginianum likes light, well-drained, humus-bearing soils, even peaty ones, retaining moisture. Give it a location in non-burning sunlight (only half a day) if moisture is constant, or in light shade, it even tolerates denser shade. This plant does not like competition from the roots of trees and bushes. It is very hardy in all climates. Flowering can occur in the first year, even if planted in spring. Remove stems carrying faded flowers to improve the appearance of the plant. This plant easily self-seeds and can naturalize in the garden. It is not invasive, its development can be easily controlled.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
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