Jibe's tree fertilizer spikes 16-4-4 fertilizer spikes feed trees at the roots, where they need it most. Active ingredients: nitrogen, phosphate, potash, calcium, magnesium, sulfur.

• Feeds trees and shrubs at the roots
• Slow release formula
• Easy to use
• No wasteful chemical run off
• Continuous supply of nutrients

Feeds trees and shrubs at the rootsJobe's