Ginkgo biloba
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Frequently Asked Questions from readers of The Ginkgo Pages

These questions and answers are compiled from reactions I received.  If you want to comment or add something please let me know. If you don't find your question try to find an answer by searching The Ginkgo Pages or email me.


1.   The Ginkgo is too large for my garden. Are there smaller cultivars?
2.   I want to buy a female Ginkgo. Are they for sale?
3.   Where can I buy/get seeds or trees?
4.  How can I roast the seeds?
5.   How can I make tea from the leaves?
6.   I suffer from ...... Can Ginkgo help me for this disorder?
7.   What is the safest highest dosage of Ginkgo?
8.   Where can I get information about commercial planting of the Ginkgo?
9.   Can I prevent my female tree bearing seeds that 'smell' when on the ground in fall?
10. How do I take cuttings?
11. What soil does the Ginkgo prefer?
12. How about fertilizing the soil?
13. What's new on The Ginkgo Pages (updates, news, discussion etc.)?
14. Where can I find information about this website's history and Cor Kwant?
15. My question is not answered here. How can I get more information?


1. The Ginkgo is too large for my garden. Are there smaller cultivars?

Yes, there are. Some cultivars are mentioned on my Tree-page.
More cultivars can be found on the internet.

2. I want to buy a female Ginkgo. Are they for sale?

Female Ginkgos are for sale.
Read the cultivars-section  on my Tree-page .
Companies are mentioned in the answer to question 3 of this FAQ.

3. Where can I buy/get seeds or trees?

You can try to collect seeds from a female tree in fall (some female trees are mentioned on my Where-page), ask in a related newsgroup, forums of GardenWeb etc.
Many garden centers sell the Ginkgo biloba. Special cultivars are for sale at a nursery. The Ginkgo can often be found in the conifer catalogue.
You can check out my Forum and  Links-page and/or search the internet etc.

Some internetsites for seeds/trees (no connection with me nor experience), you will find many more on the internet:

SysTax "Botanical Gardens Information System" - Gardens
Garden seeker USA
Green Industry Yellow Pages (retail/wholesale)

Richters herbs.com: seeds
Mercado libre
Sheffield's Seed Company Inc.: seeds
The Seed Shop
Vreeken's Zaden Dordrecht (nl)

Female trees:male/female tree
Also ask information in a forum (GardenWeb etc.) and/or search on the internet with Google using for instance these keywords: Ginkgo+catalogue+female tree

Historic trees.org
Nurseryman.com (S.Carolina)
Growit wholesale nursery (Texas)
Pender Nursery Inc. (N.Carolina)
New Ornamentals Society
Grimo Nut Nursery (Can)
Blue Sterling Nursery
St. Aubin Nurseries (Ill.)
Rich's Foxwillow Pines Nursery (Ill.)
Forestfarm.com (Or)
Greer Gardens (also female Ginkgos)
Dave's Nursery (NJ)
Femrite Nursery (Or)
Monterey Bay Nursery (Cal)
Nature Hills Nursery (NE)
Dutchmasters Nurseries Ltd. - wholesale (Can.)

GardenWeb Australia Directory
Guildford Town Garden Centre (au)

Nursery World - New Zealand (nz)

China National Tree Seed Corp. + seedlings (cn)
Yayego Inc., Chongfang Town, Tancheng County, Linyi, Shandong (cn)
Yinxingxs.com: Jiangsu Pizhou Ginkgo Sales Center (cn)

Agbina: seeds (ru)

Herrenkamper Gärten
Baumschule Igel (de)
Mythos Ginkgo (de)
Kordes ľ Jungpflanzen: 'Living presents' + wholesale

Vivaio Eisenhut - Ginkgo (ch)

Cattaneo Vivai.com (it)

Royal Horticultural Society: Plantfinder (uk)
Big Plant Nursery (uk)
Junker's Nursery for Specialist Plants (uk)
CN - seeds (uk)

Gerard & Claudie Adeline (fr)
Pépinières des Laurains (fr)
Tree Seed Online (fr)

Oprins (be)
JVH Nurseries (be)
Boomkwekerij Espaliers (be)
Boomkwekerij Qualityplants (be)
Plantenkwekerijen (be)
Openbaar Groen (be)

Ginkgo leaf (photo Cor Kwant)

Van den Berk Boomkwekerijen (nl)
Bloemen en planten startpagina (nl)
W.T.M. de Boer - Boomkwekerij-potcultuur (nl)
Bomencentrum Nederland (nl)
Bomen online (nl)
Boomkwekerij Biloba v.o.f. (nl)
Boomkwekerij.net (nl)
Fa. C. Esveld (nl)
Van Hassel Boomkwekerijen (nl)
Kwekerij De Horst (nl)
Intratuin (nl)
Kwekerij De Koekoek (nl)
Kwekerij De Limieten, grote bomen - mature trees (nl)
Van IJmeren, Opheusden (nl)

4. How can I roast the seeds?

You can roast the seeds like for instance sunflower pits (with some salt). Read more about the seeds as a foodsource on my Usage-page.

5. How can I make tea from the leaves?

After picking the green leaves (late summer/early fall), shade-dry them on a screen, allowing good air circulation from the bottom and the top. Best condition is one that will dry the leaves quickly but not overheat them. Never dry leaves in the sun. To test that the leaves are thoroughly dried, "snap" a leaf stem to make sure.
You may also dry them in your microwave. Put some leaves between two paper towels and microwave for 60 seconds on high. If crisp, the leaves are dry, otherwise microwave further at 15 seconds intervals.
When the leaves are dried, put them in a paper bag inside a plastic bag, and store them in a cool, dark place - in a tinted glass jar is best.
For dosage read the site of the American Botanical Council and the related links on my Links-page.
You may also read my Forum-Blog.


6. I suffer from ...... Can Ginkgo help me for this disorder?

Sorry, it's impossible and beyond my scope, qualification and intention to discuss all disorders on my pages nor can I judge the efficacy and effects for each individual. Read my Usage-page and consider this only as information.
For details, dosage and possible side-effects read the links with medicinal information on my Links-page, including the Medline, use search engines etc.
A good link is for instance American Botanical Council.
You can also consult a health care practitioner with experience in this area.
Also check out my Literature-page.

7. What is the safest dosage of Ginkgo?

Please check out my Links-page (medicinal links) for this and question 6.
A good link is for instance American Botanical Council.

8. Where can I get information about commercial planting of the Ginkgo?

You can read  my Forum-blog or ask your question/give answers there.

9. Can I prevent my female tree bearing seeds that 'smell' when lying on the ground?

Applying a plant growth regulator by a professional tree expert might help in reducing seed development.  But why should you do that?
The female Ginkgo has a stigma. While still on the tree the seeds do not smell at all. In fall when the seeds drop to the ground  they can produce a distinct smell because the seedcoat that contains butyric acid is rotting away, but I think it's exaggerated to say they stink (did you ever smell a rotting apple or Limburger or Parmesan cheese?).
Dinosaur eating ginkgo seedsThe Ginkgo is a living fossil, it is nature! In Asia they love the seeds! And if you read my pages about the seeds you'll respect them more, even the dinosaurs loved them.
If the female tree is planted  where walking over the seeds can be avoided there should be no problem. Besides cleaned up regularly there should be no problem at all! Or gather them to use in cooking.
Some Chinese/Japanese people  like to collect the seeds, try to contact them or put a small add on a noticeboard or in a local paper.
The 'smell'  diminishes when you add sand and/or baking soda (sodium bicarbonate) to the fallen seeds.

More information about the female tree and seeds on my  Propagation , Tree and Usage pages.

China: seeds gathering
Ginkgo seeds gathering in China at Yunnan University in Kunming. Some tarps are put on the ground; several men climb the trees wielding giant bamboo staffs which they use to knock all the branches. The loosely attached seeds pour off the tree onto the tarp.
Gathering Ginkgo seeds in New York, Rivington street
Women use a bamboo stick to gather Ginkgo seeds in New York. 
The seeds are used in Asian cooking, as a medicine etc.
. .
Ginkgo seeds gathering: Midosuji Boulevard in Osaka, Japan. All you need is an umbrella! 

Read more about the usage of the seeds on my Usage-page.

10. How do I take cuttings?

Read my Propagation-page and Links-page about this.

11. What soil does the Ginkgo prefer?

The Ginkgo likes well-drained, moist (not wet), deep soil and a sunny position.
Also read my Tree-page.

12. How about fertilizing the soil?

You may use a balanced mild organic fertilizer and some compost.
Fertilize 1-2 times a year or more or less depending on the local conditions.
To be sure you may use a testkit to test the soil or send a sample to a testinstitute. But I don't think that's necessary if your Ginkgo looks allright and grows well as it is supposed to do!

13. What's new on The Ginkgo Pages?

News and  more can be found on my Specials-page.

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14. Where can I find information about this website's history and Cor Kwant?

You can find this information on my Awards-page: click here.

15. My question is not answered here. How can I get more information?

Please use the search box at the top of this page or go to my Forum-Blog or email me.

If any of these links don't work please inform me.

If you have additions please email me.

Also I would like to hear your experiences!


I am not affiliated with nor vouch for any claims of the products offered on these links.

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©  Cor Kwant 
Copyright information.