Frequently Asked Questions

What about GMO's?

Non-GMO Declaration Sheffield's has been in business Since 1978. Some of our seed suppliers have been with us almost that long. We are often asked about GMO's, please read more.

How do I find tree seed in my growing Zone?

The answer is on the search screen!

Do we at Sheffield's pre-wash our seeds?

My Seeds have been Sitting Around for A While Are they Still Good?

What is Stratification?

Do you offer custom seed mixes?

My seeds germinated really well but then a couple of days later they seemed to rot at the base and died.

Do you buy cones?

Do you buy seed?

When should I buy seeds?