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Iberis sempervirens Masterpiece

Iberis sempervirens Masterpiece
Evergreen Candytuft, Perennial Candytuft, Thalspi

4,3/5
22 reviews
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3 reviews

The plants received are stunted. I wouldn't have bought them if I had seen them. I am disappointed...

Joëlle, 07/03/2024

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This plant carries a 12 months recovery warranty

More information

Remarkably flowering variety from spring to autumn, evergreen ground cover, ideal for rockeries and borders. The abundant flowering of bright white complements the dark foliage. Very tolerant to drought, this Iberis is content with the poorest and limestone soils. Hardy, it tolerates partial shade.
Flower size
5 cm
Height at maturity
30 cm
Spread at maturity
45 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -29°C
Soil moisture
Dry soil, Moist soil
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Best planting time March to April, September
Recommended planting time March to May, September to November
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Flowering time April to November
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Description

The Iberis sempervirens 'Masterpiece' is a vigorous shrub with a spreading habit, ideal for rockeries, borders and sunny containers, from spring to autumn. This remarkably floriferous variety is adorned with multiple flowers of a bright white color, covering a thick, dark green and evergreen foliage. Very drought-resistant once well established, it can thrive in any well-drained soil, even poor and limestone. It prefers full sun but also tolerates partial shade.

The Iberis sempervirens, also known as Tabouret or Silver Basket, is an undershrub of the brassicaceae family, native to the Mediterranean region. This plant therefore tolerates heat and drought once well established and prefers well-drained soils. Its foliage is composed of numerous small oblong and narrow leaves, measuring barely 2 cm (1in),  dark green and evergreen. They are carried by woody stems that form a dense clump 30-35 cm (12-14in) high and spreads at least 40 cm (16in). The cushions of 'Masterpiece', present all year round, are covered from March-April to November, in successive waves and depending on the freshness of the soil, with flat and compact inflorescences of 5 cm (2in) wide. They consist of very small flowers with four sparkling white petals, animated by the ballet of pollinating insects.

'Masterpiece' is particularly decorative, but it is best suited for regions with relatively mild winters, as its hardiness does not exceed -10/-12°C (14/10.4°F) in healthy soil. However, to bring life and lushness to a rockery or a rocky and challenging soil, the Iberis sempervirens 'Masterpiece' is essential. It can be planted alongside Aubrietas, Arabis, Cerastium and Moss Phlox, Stachys lanata, Cerastostigma, Teucrium, along paths, terraces, highlighting the front of flower beds and complementing the range of colors of each. It also finds its place in container compositions and pairs well with spring bulbs in pastel tones: for example, the Hyacinth 'China Pink' and the Tulips from the Harmonie Bruges collection. Growing in pots is perfectly possible, provided regular watering in a perfectly drained substrate.

Iberis sempervirens Masterpiece in pictures

Iberis sempervirens Masterpiece (Flowering) Flowering
Iberis sempervirens Masterpiece (Foliage) Foliage

Flowering

Flower colour white
Flowering time April to November
Inflorescence Cluster
Flower size 5 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Evergreen
Foliage colour green

Plant habit

Height at maturity 30 cm
Spread at maturity 45 cm
Growth rate normal

Botanical data

Genus

Iberis

Species

sempervirens

Cultivar

Masterpiece

Family

Brassicaceae

Other common names

Evergreen Candytuft, Perennial Candytuft, Thalspi

Origin

Cultivar or hybrid

Planting and care

Iberis sempervirens 'Masterpiece' settles in spring or autumn (in mild and dry climates) directly in place or in a pot in a sunny exposure. It will also tolerate a slight shade.

It will even support and prefer poor, even calcareous, stony or sandy soils. If you place it in richer soil or slightly heavier soil, make sure to add a little gravel or coarse sand during planting, as it will not appreciate stagnant water, especially in winter, which will further reduce its cold resistance.

This plant requires little maintenance. You can simply remove the faded flowers by lightly pruning it if you want to maintain a more compact shape.

Planting period

Best planting time March to April, September
Recommended planting time March to May, September to November

Intended location

Suitable for Meadow, Rockery
Type of use Edge of border, Container
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Beginner
Planting density 7 per m2
Exposure Sun, Partial shade
Soil pH Neutral, Calcareous
Soil type Chalky (poor, alkaline and well-drained), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, Well-drained

Care

Pruning No pruning necessary
Disease resistance Very good
Overwinter Can be left in the ground
4,3/5

Spring flowering perennials

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