My husband is a tree surgeon and brought these to me yesterday. Can you help me with growth?
Certified GKH Gardening Expert
Japanese maple seeds, such as these, should be harvested when they turn brown on the tree - these are a little too green. I would advise your husband to revisit the tree at a later time to recover seeds when they turn brown. The following article discusses how to propagate japanese maples from seed and includes a photograph of harvested seed:
Please answer quickly I don't want them to dye.