BD Buffalo Soil Activator
$22.00
The easiest all-around starting spray, containing BD 500-508 plus bison preparations for degraded soil and plant vitality.
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Good places to start
Core biodynamic preparations
BD 500 XP - Cow Horn Manure
$12.00
The foundational biodynamic soil spray for soil life, seed germination, root strength, and overall fertility.
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BD 502-507 - Compost Prep Kit
$33.00
A complete 502-507 compost preparation set for inoculating compost piles and supporting long-term soil fertility.
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BD 508 - Horsetail Herb
$9.00
Dried horsetail herb for making tea preparations for soil or plant-surface application.
View productField-tested preparations for living soil.
Biodynamic Source helps growers find practical preparations, sprays, compost preps, and kits without losing the craft, care, and field knowledge behind them.
Start with a kit, choose a field spray, or contact us if you are not sure what your farm or garden needs first.