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Turquoise Puya

 

Colletia paradoxa

Colletia paradoxa

"Anchor Plant"

 

Germinating the seeds

 

When to plant -- Plant your seeds when you receive them for best results

Getting started -- Scrape each seed a few times over coarse sandpaper or a nail file.  Then soak them in a cup of water for 1 to 2 days (not more than 2 days).

Soil -- Use well-draining soil.  I use a mix of 1 part coir fiber to 1 part perlite.  An alternate mix is 2 parts potting soil to 1 parts perlite. 

 Use small pots or cups that have drainage holes.  Fill them with soil, place a seed on top, and cover with 1/4 inch (7 mm) of soil.  Add water until the soil is evenly moist (but not soggy). 

 Keep the pots between 64-78 degrees F (18-26 Celsius) during the day, and a little cooler at night.  I haven't tried them outside this temperature range.  I recommend placing a minimum/maximum thermometer near the pots.

 The seeds normally sprout at various times, ranging from 4 weeks to 4 months.  Once they sprout, give them bright light, such as morning sun, filtered sun, or fluorescent or LED lighting.  Protect them from strong afternoon sun the first few months.

 If any seeds do not sprout after 4 months, expose them to cool nights (below 55F / 13C) to simulate the passing of winter.  An easy way to do this is to seal the pots in a plastic container and put them in the refrigerator. 

Watering -- Aim to keep the soil evenly moist (but not constantly saturated).  After the first year, they can tolerate drier soil.

Climate -- The plant comes from low- to mid-elevations in Chile, where summers are warm and nights are cool.  It's possible that hot days with warm nights could stress it, but i suspect it can adapt.  It can handle a few degrees of frost (-4C), but it's best to protect it from prolonged frost, especially when young.  I would protect them from very high or low temperatures the first 6-12 months.

Fertilizing -- Once they are 2 weeks old, give a very light dose of liquid fertilizer (about 1/8 strength), and repeat 2 weeks later.  Hydroponic fertilizer works well for young seedlings, since it is easily absorbed and complete.  After the first month, you may switch to an all-purpose, granular fertilizer that contains micronutrients, feeding about every 3-4 months.

Repotting -- When the seedlings are 2 inches (5 cm) tall, they may gently transferred to bigger pots.  Water the plant well before repotting, to keep the soil from breaking apart, which can damage the roots.  If the soil ball does break apart, shade the plants from afternoon sun the first 2-3 weeks.  Repot into cactus soil or similar fast draining soil.  If you live in a high rainfall area, use ample perlite or coarse horticultural sand in your mix.

Bugs to watch for -- Not usually bothered by pests.  Indoors, watch for spider mites or mealy bugs.

If any questions or problems come up, feel free to email me.

Have fun growing them!

- Jeff

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Turquoise Puya

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