Sulfate of Potash, Diamond K 50 lb
Organic (OMRI)
0-0-50
New in 2023 by request. Potassium is usually abundant in Willamette Valley soils, especially if manure or compost is added frequently. However, supplementation is necessary for containers and plant propagation, and soil deficiencies can occur occasionally.
Soluble; can be applied through irrigation.
