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Helianthemum Fire Dragon - Rock Rose

Helianthemum apenninum x nummularium Fire Dragon
Rock Rose

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He didn't look well upon arrival, but he has recovered very well. This year, he has flowered very little. I hope that he will be very floriferous next year, now that he is established.

bien repris, 15/08/2023

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This plant carries a 12 months recovery warranty

More information

A floriferous, bright and contrasting variety, offering flowers of a vibrant orange colour with a redder centre, on a very elegant grey-green foliage. This evergreen subshrub tolerates heat and moderate summer drought. It blooms from spring to summer, provided that faded flowers are regularly removed. To be cultivated in full sun, in well-drained soil, in a rock garden or on a wall.
Flower size
2 cm
Height at maturity
25 cm
Spread at maturity
40 cm
Exposure
Sun
Hardiness
Hardy down to -18°C
Soil moisture
Dry soil, Moist soil
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Best planting time March to April
Recommended planting time March to June
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Flowering time May to August
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Description

Helianthemum Fire Dragon has beautiful grey foliage on which many single and light flowers bloom, in colours ranging from red to orange. The overall effect gives this subshrub, which forms a beautiful cushion, a lot of character. The plant flowers abundantly from spring to summer, even in poor and rocky soil. A very pretty and generous variety which will form attractive ground cover in sunny areas of the garden, such as rockeries or the top of a wall.

Belonging to the Cistaceae family, Helianthemum 'Fire Dragon' is one of the many hybrids between Helianthemum apenninum, native to southern Europe, and Helianthemum nummularium, widespread in Europe and Turkey. Like its ancestors, 'Fire Dragon' loves chalky, rocky, sandy soils and the sun. It forms a low, spreading and dense cushion, about 25 cm (10 in) high and 40 cm (16 in) wide. Its evergreen foliage is composed of very small linear leaves, quite dark green, covered with soft bristles that give it a silvery grey appearance, especially when it is hot and dry. This highlights its abundant flowering. From May-June to August, it is covered with a multitude of small 3 cm (1.2 in) diameter flowers, cup-shaped, with five petals, slightly crumpled, adorned with a cluster of golden to orange stamens. The petals are dark orange tinged with red at the base. The colour fades slightly over time.

Helianthemum means "sunflower" in Greek, an appropriate name for these flowers that only open in sunny conditions. The fine and delicate blooms live for only one day, but constantly renew themselves, sometimes until autumn if the weather allows it.

Helianthemum is the ideal plant to enhance a rocky garden, a sunny slope, the top of a wall, or gaps in paving. It also thrives well in pots or containers for terraces. It can also be considered for the creation of green walls and roofs. Combine it with other rock plants (Erigeron, Gypsophila, Mount Olympus St. John's Wort, Teucrium, silver baskets), but also with perennial plants such as lavenders, rosemary, dryland irises, sedums or cistus plants. Its flowers blend delicately with the grey foliage of Stachys, artemisias or ballotas.

Helianthemum Fire Dragon - Rock Rose in pictures

Helianthemum Fire Dragon - Rock Rose (Flowering) Flowering

Flowering

Flower colour orange
Flowering time May to August
Flower size 2 cm

Foliage

Foliage persistence Evergreen
Foliage colour grey or silver

Plant habit

Height at maturity 25 cm
Spread at maturity 40 cm
Growth rate fast

Botanical data

Genus

Helianthemum

Species

apenninum x nummularium

Cultivar

Fire Dragon

Family

Cistaceae

Other common names

Rock Rose

Origin

Cultivar or hybrid

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Planting and care

Easy to grow in well-drained and low-maintenance soil, Helianthemum 'Fire Dragon' appreciates being planted in full sun, in neutral or limestone soil that is perfectly drained, even quite dry and rich in gravel or sand. Not being tolerant of stagnant humidity in winter, it will be necessary - especially in cold and wet climates - to lighten the soil during planting by adding gravel and sand to improve drainage. Helianthemum is a hardy plant that can withstand temperatures ranging down to -10 to -20 °C, depending on the variety, and can tolerate -15 °C very well in well-drained soil. It tolerates drought quite well, requiring only regular and moderate watering in the first year after planting; afterwards, the plant can manage on its own. At the end of flowering, pinch off the faded flower stalks and foliage to encourage autumn regrowth. Lightly trim the clump with hedge shears after flowering to maintain a dense vegetation and prevent the centre from becoming bare. When young, make sure to protect it from any weeds that might deprive it of moisture or block out the essential sunlight for its health.

Planting period

Best planting time March to April
Recommended planting time March to June

Intended location

Suitable for Meadow, Rockery
Type of use Border, Edge of border, Container, Slope
Hardiness Hardy down to -18°C (USDA zone 7a) Show map
Ease of cultivation Amateur
Planting density 7 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Chalky (poor, alkaline and well-drained), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, Very well-drained

Care

Pruning instructions To maintain a compact habit, prune after flowering.
Pruning Pruning recommended once a year
Pruning time September to October
Disease resistance Good
Overwinter Can be left in the ground
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