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Dahlia Mama Mia

Dahlia Mama Mia
Dahlia

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The flowers of this spreading Dahlia are semi-double, well open, medium-sized, and have a white colour tinged with pinkish mauve on the rather wide petals, illuminated by a green-yellow halo in the centre. They are borne on tall, sturdy stems, well above the foliage. This cheerful shrub blooms from July until the frosts, and its flowers are very long-lasting in bouquets.    
Flower size
12 cm
Height at maturity
1.20 m
Spread at maturity
60 cm
Exposure
Sun
Hardiness
Hardy down to -4°C
Soil moisture
Moist soil
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Best planting time March to April
Recommended planting time March to May
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Flowering time July to November
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Description

Dahlia 'Mama Mia' is a decorative group dahlia, with small-sized flowers, white in colour, marbled with a pinkish mauve shade, more or less in the centre or on the tips of its oval and pointed petals. The centre is barely tinged with a green-yellow halo. Its sturdy, tall stems carry the flowers well above the foliage. For abundant and prolonged flowering, from July until the first frost.

Dahlias are tuberous plants from the large Asteraceae family, originally from the high plateaus of Mexico. Currently, the thousands of horticultural varieties obtained by humans have invaded, to our great pleasure, gardens all over the world. Dahlias are classified according to the shape of their flowers. 'Mama Mia' is classified in the category of Decorative Dahlias. In this group, the colourful ligules of the head are arranged regularly in a spiral, they can be bent towards the stem or curled for example. In this variety, the heads measure 12cm (5in) in diameter and the ligules are oval, quite wide, pointed and slightly curved inward. Flowering occurs from July to October-November. The plant reaches an average height of 1.20m (4ft), and 50 to 60cm (20 to 24in) in width, with a bushy and upright habit. The highly branched stems are hollow and the leaves are opposite, pinnatisect, meaning they divide into 3 or 5 leaflets, which form very denticulate lobes. The leaves are a medium green, like the stems, particularly sturdy.

If you take care to remove faded flowers, you will benefit from a prolonged flowering period. Even better, create beautiful dense bouquets with the generous dahlias by combining various varieties. Lighten the silhouette of decorative dahlias by combining them with more airy flowers such as Gauras, salvias or Echinaceas. Fine-leaved plants like grasses play the same role in addition to adding beautiful golden spikes. Plant 'Molly Raven' in the middle of a bed of bushes and lower perennials. Shrubs with purple foliage like Loropetalum provide a beautiful backdrop for this pink variety.

A star plant in cottage gardens, Dahlias are undoubtedly beautiful flowers, they are impeccable in flower beds, but can also enhance vegetable gardens. In Mexico, this tuberous plant was initially cultivated as a root vegetable for consumption. Its poor taste quickly relegated it to the rank of ornamental plant. Since then, the interest in their beautiful exuberance has never waned.

Plant habit

Height at maturity 1.20 m
Spread at maturity 60 cm
Growth rate fast

Flowering

Flower colour mauve
Flowering time July to November
Inflorescence Flower head
Flower size 12 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Botanical data

Genus

Dahlia

Cultivar

Mama Mia

Family

Asteraceae

Other common names

Dahlia

Origin

Cultivar or hybrid

Product reference21159

Planting and care

The 'Mama mia' decorative Dahlia is easy to grow in all regions. For abundant flowering, it is good to follow a few simple rules: plant the tubers in a sunny location after the last frost, rich, fresh, and well-drained soils are perfect. However, stagnant moisture would promote tuber rot. Do not hesitate to amend the soil with compost and sand if necessary. Work the soil deeply and enrich it, for example, with crushed horn or dehydrated blood. Place your tuber and crumble the soil well to fill without air pockets. Your dahlia should be covered with about 6cm (2in) of soil. At the end of planting, water once abundantly and then repeat this watering regularly during the first 6 weeks to aid in rooting.

Dahlias are sensitive to cold, so they need to be overwintered. In November, the first frost causes the foliage to blacken, which is the time to dig them up. Carefully remove the tubers. Remove as much soil as possible. Let the foliage dry so that the tubers can replenish their reserves. Then cut the stems to 10cm (4in). Spread your bulbs in a box on newspaper. Store them in a frost-free, dry, cool, and dark place, such as a frost-free garage or attic, for example. In southern regions, close to the coast, where there are few days of frost per year, it is possible to leave them in place. In this case, simply cover the ground with a carpet of leaves or straw for protection.

This Dahlia, with its tall size and hollow stems, is still sensitive to strong winds or heavy rains. To overcome this disadvantage, you can stake it, but let's agree, it's not very aesthetic. On the other hand, by pinching the stems early or removing the axial flower buds, you will spread out the plant's habit, which will offer more resistance to bad weather. At the same time, you redirect the sap flow to a single flower, which will become larger and stronger.

Planting period

Best planting time March to April
Recommended planting time March to May
Planting depth 10 cm

Intended location

Suitable for Meadow
Type of use Border, Container, Vegetable garden
Hardiness Hardy down to -4°C (USDA zone 9b) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Sun
Soil pH Any
Soil moisture Moist soil, Fertile, well-drained

Care

Pruning instructions Eliminate the faded flowers regularly to encourage flowering.
Pruning Pruning recommended once a year
Pruning time July to September
Soil moisture Moist soil
Disease resistance Very good
Overwinter Needs to be stored

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