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Turquoise Puya

 

Griffinia espiritensis

Griffinia espiritensis

Planting your bulb

 

 You may start your bulb in a small pot about 4-5 inches (10-13 cm) wide, and at least 4 inches tall (10 cm), with drainage holes. 

 Use a well-draining soil mix, such as 3 parts potting soil to 2 parts perlite or coarse sand.  Or you may use equal parts of coir fiber and perlite, with some slow-release fertilizer mixed in.  Don't add lime to the mix.

 Plant the bulb about 1 to 1.5 inches (3-4 cm) deep.  Add enough water until the soil is evenly moist, but not fully saturated.

 Until the bulb sprouts, i recommend keeping it between 65 and 82 degrees F (18-28C) both day and night.  Ensure that the soil doesn't dry out, but also don't keep it soggy.  The bulb take anywhere from 2 weeks to 3 months to sprout.

 If the bulb you received has leaves -- To keep the leaves from dropping off after repotting, keep it above 80% humidity for a week, perhaps by placing a clear bag over the pot.  After a few days, punch a small hole in the bag every day to gradually lower the humidity.  After 10 days of doing this, you should be able to remove the bag.

 Give it bright light, but no strong sun.  In the wild, it grows under dense forest cover, so it is happiest in bright shade.

 Optimal temperatures are between about 65 and 90 degrees F (15-33 degrees C).  It needs protection from frost.   Over about 40-45% humidity is best.

 It has low to average fertilizer needs.  Feed about every 3 months with a general purpose fertilizer or bulb fertilizer.

 It's normal for an older leaf to occasionally turn yellow and then brown, but if it seems excessive, check that the soil is moist enough down in the root zone.  If it is, the plant may need more nitrogen fertilizer.

 Keep the soil evenly moist at all times, except when the bulb goes dormant.

 The bulb may occasionally go dormant or semi-dormant each year, and if it does, reduce the watering and keep the soil lightly moist for 2-3 months.  Avoid letting it dry out completely.

Pests to watch for -- Mealybugs may attack the bulbs.  Look for cottony growth where the leaves emerge from the ground.  To control mealybugs, try using an insecticidal soap soil drench.

 Feel free to separate any baby bulbs that form, but keep in mind that disturbing the mother bulb's roots may delay flowering.

General info about this plant

 

Have fun growing it!

- Jeff

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Turquoise Puya

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