@Kate6b,
Yes, you can. Here’s the scionwood resources. You can start ordering around the end of the year.
Scionwood sources - #149 by moocks.
Around Dec/Jan next year, your can post your request on the Trading Post category. Often, other members would send you what they have for cost of postage.
Buying scionwood often gaurantee you get the correct varieties. Exchange scion, there are times you get wrong varieties.