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Winter hardy / Challenge

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Challenge
Species that are more difficult to germinate, but with a good chance of germinating if you follow the instructions.




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Australian Tree Fern (Cyathea cooperi)

One of the most winter-hardy tree ferns out there. Originates from New South Wales and Queensland in Australia.

€ 4,00 per portion of spores
Black walnut (Juglans nigra)

Black walnuts have a particular, aromatic flavour which is very different from the common walnut.

€ 3,50 per 2 seeds
Chinese Liquorice (Glycyrrhiza uralensis)

Chinese liquorice resembles the ordinary liquorice, but plays an important role in Chinese medicine as one of the 50 basic herbs.

€ 3,50 per 10 seeds
Coastal Redwood (Sequoia sempervirens)

The tallest living tree on earth, with the highest individual reaching up to 115,5 m in height.

€ 3,50 per 20 seeds
Cobra Lily (Darlingtonia californica)

A carnivorous plant with leaves in the shape of the head of a cobra. Insects can after entering the trap no longer escape and are digested in a bath of enzymes and bacteria.

€ 4,00 per 10 seeds
Dove Tree (Davidia involucrata)

Beautiful, hardy tree with flowers which hang down just like a handkerchief. The flowers are white and have irregular leaves. 

€ 6,00 per 2 seeds
Giant Redwood (Sequoiadendron giganteum)

The most massive tree on earth, with a thick red/brown bark to protect them from forest fires. The heaviest individual currently weighs around 2000 tons.

€ 3,50 per 20 seeds
Golden Tree Fern (Dicksonia fibrosa)

A tree fern from the moist forests of New Zealand which remains smaller compared to the related Tasmanian tree fern. Without protection it can overwinter at a minimum of –5 degC.

€ 4,00 per portion of spores
Liquorice (Glycyrrhiza glabra)

Liquorice is harvested as roots from this small, hardy shrub from western Asia. After three years, the first roots can be harvested.

€ 3,50 per 10 seeds
Mini Kiwi (Actinidia arguta 'Issai')

A self-pollinating, compact, delicious kiwi with high yields in a temperate garden. The smooth skin of the kiwi can be eaten, directly from the plant. 

€ 3,50 per 10 seeds
Moso Bamboo (Phyllostachys edulis)

The biggest bamboo outside the tropics, which can grow up to a height of 28 meters. The bamboo is hardy and can be grown in the garden.

€ 4,00 per 20 seeds
Pawpaw (Asimina triloba)

Hardy species with fruits that can weigh up to 500 grams and are rich in protein and vitamins. The pulp is white and tastes like banana or mango. 

€ 4,00 per 5 seeds
Rough Tree Fern (Cyathea australis)

This species is hardy up to -10 degrees Celsius, and originates to the shady, moist forests in southern Australia. 

€ 4,00 per portion of spores
Tasmanian Tree Fern (Dicksonia antarctica)

This tree fern originates from the humid cloud forests and along rivers in Tasmania. Without protection it can withstand a minimum of –5 degrees Celsius. 

€ 4,00 per portion of spores

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