1.You can share any knowledge or experience you have about growing plants. 2.If you don't know much, you can mention that and perhaps express an interest in learning more.

1.您可以分享任何您對於種植植物的知識或經驗。 2.如果您不太了解，您可以提到這一點，也許表達出對於進一步學習的興趣。