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Cycas siamensis

An interesting small Cycad from Thailand and neighbouring countries, which has a swollen base to the trunk and an attractive crown containing many recurved, dark green leaves. Ideal for the tropical to warm temperate garden, it requires partial sun and a plentiful supply of water. Given these, it is easy and reliable, deserving a much greater popularity.

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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 ...

...easy to germinate and need up to 3 months to sprout.
I placed the seeds on a sphagnum peat bed approx. 3" deep. Temperatures were 90f day/ 75f night. They sprouted steadily from 21 days after planting to 45 days after planting. Germination was 80% with 100 seeds. These are large seeds, so I transplant into 2 1/2" tray pots as soon as the seed sends out a shoot. This makes the transplanting process easier, and is less traumatic to the seedling.
Submitted on 12/07/2005 by Les Hill lhilltx@earthlink.net

...very easy to germinate and need up to 1 month to sprout.
Very easy 90% germinated within 2 months in mix of sand & perlite and peat moss (1/1/1) in 40°C. ;)
Submitted on 01/08/2005 by Hamad Alfalasi hmalfalasi@gmail.com

...easy to germinate and need up to 1 month to sprout.
I soaked them for 48 hours in worm water. the water was changed two times. Then I removed the fleshy Sarkotesta as good as possible first with a knife and then with a pot cleaner made of metal wool.Optional:In order to get sterile cultures I incubated the seeds 10 min in 52° C warm water (to kill germinated fungi spores). After that they were treated 30 min with 13 % NaClO- Solution (Bleech Solution) in order to kill all other microorganisms. Then they were washed 4 times a 15 min with sterile water.Then they were put under sterile conditiones in 3/4 L Glas jars (Weck) on moist and sterilised Vermiculit and kept at 30° C.The first seed germinated after 20 days!
Submitted on 23/11/2004 by Jan Hellmuth jan.hellmuth@web.de

...easy to germinate and need up to 3 months to sprout.
the seeds germinate easy in tempereted climate or in green hause
Submitted on 14/03/2003 by one of our visitors

...very easy to germinate and need up to 1 month to sprout.
Soaked for two days, and put in tupperware container filled with moist perlite at 30C. First germinating started after 2 weeks.
Submitted on 02/04/2002 by one of our visitors

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

Plants from this species ...

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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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