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Passiflora parritae

Passiflora parritae

 

 

Getting started -- Your plant was grown in filtered sunlight, so plan on acclimating it to direct sun slowly.  I recommend giving it 80% shade (bright shade) the first week or two after transplanting, then add 10% every 2 weeks. 

Pot size -- You can transfer your plant to a 1 to 5 gallon container, and transplant again to a bigger pot whenever the roots reach the bottom, or after 2-4 months.  Within 12-18 months, it should have approximately 5 gallons, and after 2 years it should be in a 10-15 gallon pot or larger.

Soil -- Like most Passiflora, this one likes moist, fertile soil that drains well.  A typical mix is 2 parts potting soil to 1 part perlite. 

Potting up -- Transplant carefully to avoid disturbing the fragile roots.  Don't compact the soil down after transplanting - simply water it thoroughly.  Do not fertilize the first 10 days after transplanting.

Watering --  P. parritae likes regular watering, so that the soil is consistently moist, but not soggy. For the first month, please ensure that the original soil ball remains moist all the times. You may use a moisture meter probe to monitor moisture levels deep in the root zone. 

Temperature & humidity -- This species is happiest between 45 and 75 degrees, with cool nights.  It will lag when temperatures rise into the upper 80s and 90s, and might be injured from consistently warmer temps.  Unless you live along the coast of California, it's best to grow it in a an air-conditioned room that's kept in the 60s or 70s during the day, and 50s-60s at night.  Over 50% humidity is recommended, perhaps with the help of an ultrasonic humidifier.  Outdoors, protect the plant from all frost.

Light -- P. parritae prefers filtered sunlight, so that it gets around 50% sun.  The vine likes to weave in and out of a tree, trellis, or similar structure so that it can choose how much sunlight it gets.  Protect it from strong afternoon sun.  Also keep the pot shaded, to avoid overheating of the roots.

Trellising -- The vine can potentially grow quite long, however it is easily trained along a trellis or other structure as it grows.  You may grow the vine horizontally if necessary, such as along the roof of a shaded greenhouse, with wires strung across the roof to give the vine something to attach to.  You can prune your vine if it gets too long, but if possible, simply turn the stems around and send them in another direction. 

Fertilizing -- For the first 2 months, i recommend feeding every 7-10 days with a liquid fertilizer that contains micronutrients.  Use a light dose, about 1/8 strength.  Hydroponic fertilizer is best for this, since it is easily absorbed and complete.  After 2 months, you may switch to a granular, slow release fertilizer that contains micronutrients if you wish.  If you continue using a liquid fertilizer, increase the dosage slightly as the plant gets bigger.

 It's normal for older leaves to occasionally turn yellow and drop, but if it seems excessive, the soil may be too wet or too dry, or the plant might need more nitrogen.  By the way, it's normal for the leaf blades to curl under, as if the plant is overfertilized!

Flowering and fruiting --  P. parritae can start flowering in its third year.  The plant is not self-fertile so it needs a second plant to make fruit, or it may be crossed with Passiflora antioquiensis, and some other Passifloras in the Tacsonia group.  

Pests to watch for -- spider mites (tiny "dots" under the leaves), snails & slugs.

Good luck with it!

- Jeff

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