About this item Complete Nutrient Solution: Formulated for Northern trees and shrubs, each spike contains an 8-10-10 formula enriched with essential elements, including 4.3% sulfur, 3.3% iron sulfate, and 3.2% manganese sulfate, addressing common deficiency issues and promoting healthy green-up and robust growth. Easy Application: Convenient spikes for no hassle plant nourishment, simply insert into the soil near the root zone - no measuring or mixing required. Long-lasting Nourishment: Slow-release design for continuous feeding for up to 12 months, delivering essential nutrients precisely where trees and shrubs need them most. Optimized Nutrient Uptake: Elemental sulfur in the spikes helps lower the pH in the feeding area, facilitating the uptake of manganese and iron by the plants, while special binders promote a safe and gradual release of nutrients underground at the feeder roots, where trees and shrubs derive their nourishment. Deficiency Overcoming: Lutz Perfect Spikes provides comprehensive nutrition, addressing the specific needs of trees and shrubs, overcoming deficiencies, and promoting overall health and vitality.
