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Calibrachoa Superbells Holy Cow - Mini-Petunia

Calibrachoa hybrida Superbells ® Holy Cow®

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This unique and colourful mini-petunia with a compact and trailing habit produces an abundance of small single flowers, variably striated with yellow, pink, and red, throughout a prolonged period. Its small green and pointed leaves remain impeccable throughout the season. This generous annual is very easy to cultivate in full sun or partial shade in light and moist soil.
Flower size
4 cm
Height at maturity
25 cm
Spread at maturity
50 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -1°C
Soil moisture
Moist soil
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Best planting time April to May
Recommended planting time March to June
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Flowering time June to October
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Description

Calibrachoa Superbells 'Holy Cow' is a brand-new and spectacular variety of mini-petunia with fast and vigorous growth, resulting in a beautiful, compact, and trailing ball-shaped habit. It bears an abundance of small, trumpet-like flared blooms randomly streaked with either yellow, pink, or red, creating an original ensemble with an exotic and colourful appearance. Its long, flexible stems are adorned with small, pointed green leaves that remain impeccable throughout the season. This annual plant is very easy to grow in the sun in light, fertile soil that is not too dry.

 

Calibrachoa, sometimes called Million Bells, are frost-sensitive perennial plants often grown as annuals. Very similar to petunias, they differ in the number of chromosomes that make up their genetic heritage and some morphological characteristics: their flowers are smaller, their growth habit is shrubby or herbaceous with woody stems, their development is less significant, and they tolerate drought better. The hybrids that make up this group all belong to the Solanaceae family (like tomatoes) and are probably descended from an Argentinian species called Petunia integrifolia.

This variety quickly forms a dense mound that is wider than it is tall, reaching a height of 25 to 30cm (10 to 12in) and a diameter of 40 to 60cm (16 to 24in). Its flexible stems are densely covered with lanceolate, evergreen, hairy, and slightly sticky green leaves. It flowers tirelessly from June until the first frosts. A multitude of small, funnel-shaped flowers arise from the axils of the leaves. They are 3 to 4cm (1 to 2in) wide, remarkably variegated, with a golden yellow throat surrounded by a red halo. Unlike petunias, these calibrachoa do not need to be trimmed during the season.

 

Calibrachoa Superbells 'Holy Cow' is ideal for hanging baskets, flower pots, or containers. Its heat and drought tolerance, as well as its vigour, also mean it can be used in the ground, where it forms beautiful borders and spots of intense colour in flower beds. It can be planted alone or accompanied by 2 or 3 other varieties in complementary colours (blue, yellow, white) in troughs, flower pots, or planters on patios or balconies. They are also good plants for the conservatory. Their combination with verbenas, surfinia petunias, double bacopas, and nemesias is stunning. The choice is vast and provides plenty of opportunity for gardeners to indulge their imaginations. 

 

Please note: our young plants in mini-pots are professional products intended for experienced gardeners. Upon receipt, transfer and store them under cover (veranda, greenhouse, cold frame) at a temperature above 14°C (57.2°F) for a few weeks before planting outdoors once the risk of frosts has passed.

 

Flowering

Flower colour multicoloured
Flowering time June to October
Inflorescence Solitary
Flower size 4 cm

Foliage

Foliage persistence Annual
Foliage colour medium green

Plant habit

Height at maturity 25 cm
Spread at maturity 50 cm
Growth rate fast

Botanical data

Genus

Calibrachoa

Species

hybrida

Cultivar

Superbells ® Holy Cow®

Family

Solanaceae

Origin

Cultivar or hybrid

Planting and care

You can plant them in the ground or in pots. If you wish to plant them in the ground, wait until the last heavy frosts have passed. In the meantime, you can pre-cultivate them in a warm and bright place to accelerate their growth. Calibrachoas will flower from June to October. Plant in a sunny location sheltered from the wind. They need light and humus-rich, but above all, well-drained soil. Do not over-water them at the beginning of the growing season as they are sensitive to excessive moisture. They tolerate drought well, but will need regular watering during hot summer weather. They are hungry plants. We recommend feeding them with a liquid fertiliser for surfinias once or twice a week during the growing season. Remove faded flowers and dry leaves as they appear to keep them looking their best and extend the flowering period.

Planting period

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

Intended location

Suitable for Meadow
Type of use Border, Container
Hardiness Hardy down to -1°C (USDA zone 10a) Show map
Ease of cultivation Beginner
Planting density 6 per m2
Exposure Sun, Partial shade
Soil pH Neutral, Any
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Light, well-drained, fertile.

Care

Pruning instructions If necessary, you can remove faded flowers and dry leaves as they appear to maintain their appearance and extend the flowering period.
Pruning Pruning recommended once a year
Pruning time June to September
Disease resistance Good
Overwinter Needs to be stored

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