Are Tree Fertilizer Spikes Effective

While these fertilizer spikes claim to provide nutrients to your trees and plants while also saving you time, their use can be detrimental to your plant and tree health. … In addition, tree fertilizer spikes can significantly alter the composition and health of the soil surrounding your trees and plants.

Do fertilizer Spikes work for trees?

A: Broadcast fertilizers work best on trees and shrubs as they feed the whole root area. The disadvantage of fertilizer spikes is they only get to the roots immediately surrounding the spike. If you currently have fertilizer spikes, simply crumble them and spread them under the canopy of the tree or shrub.

Should I use tree spikes for new trees?

At their peak, growing trees need fertilization, so this is the time to start using the tree spikes. Use them throughout their growth spurt and then cut back once the tree is mature.