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Washingtonia robusta (Sonora)

Skyduster, Mexican Cotton Palm

These days, with Washingtonia being cultivated on every corner, many suspect a good amount of hybridization between the two species. This type is guaranteeed to be pure however, since it is of wild origin, from the Sonora desert in Mexico.

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germination comments by our visitors
For general germination instructions click here.

Also see plant cultivation comments below.

Seeds from this species ...

... are very easy to germinate and need up to 1 month to sprout.
Soaked the seeds at 30°C for 3 days, chenge water every day and the last day I've added a powder fungicide. Sow the seeds in 60% peat, 40% pumice. All the seeds sprout in only one month.
Submitted on 01/07/2009 by Giovanni Curci

... are very easy to germinate and need up to 1 month to sprout.
Very easy to germinate. All the seeds that I've buy from rarepalmseeds was germinate in only one month. To cultivate palms with you, it's a very pleasure. Thanks very much!!!
Submitted on 29/06/2009 by Giovanni Curci

... are very easy to germinate and need up to 1 month to sprout.
The seeds of this palm are of the fastest germinating palm seeds when you give them water and moist conditions from the dry storage conditions they are kept. I soaked 5 of the seeds i received from rarepalmseeds at room temprature(25C) water for three days and then sowed on moist shreded coconut husk again at room temprature and with no light. All 5 seeds germinated in just 4 days from sowing,all at the same day with just maybe a few hours difference,if not the same hour!!!The length of the exposed cotyledone is almost exactly the same!!! 100% germination!!!
Submitted on 04/09/2008 by Konstantinos Giannopoulos

... are very easy to germinate and need up to 1 month to sprout.
85% germination within 2 weeks. First seeds germinated within 1 week. I bought 1 small packet from rarepalmseeds. com. Soaked them in water for 24 hours. I put a layer of moist sphagnum in a large plastic tuperware container about 2-3 inches thick. Gently nestled the seeds into the sphagnum and put them in my homemade germination chamber (heating source, plus thermostat within a large polystyrene fish box) at a constant 30-35C. Within approx 1 week ofpotting the germinated seeds, the first leaf appears.
Submitted by one of our visitors

... are very easy to germinate and need up to 1 month to sprout.
Leave them on the ground. For a week a lot of palm sprouts grew on the ground. This palm I collected is in Sonora desert.
Submitted on 09/11/2007 by one of our visitors

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plant cultivation comments by our visitors
Also see germination commnets above.

Plants from this species ...

... have not yet been commented on. Be the first to write a comment:

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If you wish to read more on palm cultivation, we highly recommend Ornamental Palm Horticulture by Timothy K. Broschat and Alan W. Meerow, available in our bookshop.

Ratings and comments reflect individual experiences and the views of our visitors. They do not necessarily describe the most appropriate methods, nor are they necessarily valid for all seeds or plants of this species. Germination and plant cultivation success depends on many different factors; nevertheless, these experiences will hopefully aid you in your effort to get the best germination results from our seeds and the best growth results from your plants.

We recommend:
The Encyclopedia of Cultivated Palms

The Encyclopedia of Cultivated Palms
by Robert Lee Riffle, Paul Craft, Scott Zona

2nd edition
Completely revised and updated

Hardcover - 528 pages
11 x 8.5 inches

Our rating:
Suitable for: all

The Encyclopedia of Cultivated Palms is the definitive account of all palms that can be grown for ornamental and economic use. Palms are often underutilized as a result of their unfamiliarity—even to tropical gardeners. To help introduce these valuable plants to a new audience, the authors have exhaustively documented every genus in the palm family.
825 species are described in detail, including cold hardiness, water needs, height, and any special requirements. Generously illustrated with more than 900 photos, including photos of several palm species that have never before appeared in a general encyclopedia, The Encyclopedia of Cultivated Palms is as valuable as an identification guide as it is a practical handbook. Interesting snippets of history, ethnobotany, and biology inform the text and make this a lively catalog of these remarkable plants.

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