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Trichocereus huascha – Red Torch Cactus (seed)


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Trichocereus huascha is a medium sized clumping columnar cactus, growing from 40-90cm tall. Also called Helianthocereus huascha or Echinopsis huascha. Can be used as a grafting stock for smaller cactus species.

Trichocereus huascha has beautiful large red/orange/yellow flowers that open in the evening and last 1-3 days. Native to Argentina. Flower colour does not come true from seed and may turn up some interesting plants. Fruit are edible, tasting slightly tangy.

Care and Cultivation

We now use the Takeaway Tek for germinating most cacti seeds. Click here to view the Takeaway Tek. Otherwise, follow the directions below.

Trichocereus huascha seed should be sown in a cacti mix, either in terracotta pots or plastic, people either prefer one or the other. Cover the seed very lightly with mix and mist the surface to settle the soil and seeds. Cover with a humidity dome or plastic wrap and leave in a warm spot in 50% shade. Fluctuating temperatures are best (ie. high day temperature and low night temperature). Seedlings will emerge in 7-21 days and can be grown in the same environment for a number of months. Mist or bottom water when the soil is almost dry.

As they get older the watering can become deeper and more frequent. Potting up can be done when 5-10mm in diameter or after 6-8 weeks at a minimum.

A good mix of normal potting mix, perlite and washed sand is a good potting medium. Fertilise regularly over the growing season, Charlie Carp (fish emulsion) and seaweed are good for these cacti. Keep in part-shade until large enough to deal with full-sun. Once established, Trichocereus species can be watered most of the year in all climates.

25 seeds per packet


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