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BD #501(5X) Horn Silica Pre-Potentized (BD Spray Preparation)

BD #501 should be used only after BD #500 has been used. It stimulates photosynthesis and the ripening process, regulates leaf growth, enhances flavor and storage quality. BD 501(5X) is shipped at the 5th potency.

How to use BD #501 Stir vigorously for 20 minutes (result is a 6th potency) in sufficient water to meet your application requirements. Apply immediately to foliage. Apply periodically during the growing season. One unit is enough for once acre when stirred properly. Tip: Spray in early morning before the heat of the day.

Warning: DO NOT APPLY TO PLANTS WHILE THE FLOWERS ARE OPEN.


For additional information, visit: JPI Preparation Articles ; Instruction Handouts

Additional Article: Brief Instructions: 500, 501, 508



Associative Contract deadline has been extended to April 31st!

We will be extending the deadline for applying for an Associative Contract with JPI. We have heard from our biodynamic community that during this crisis,  more time is needed for this service. Click this popup to continue to our Associative Contract page.