{"product_id":"jobes-organics-tree-fertilizer-spikes-16-4-4-15-pack-slow-release-nutrient-spikes-for-trees-shrubs","title":"Jobe's Organics Tree Fertilizer Spikes 16-4-4, 15-Pack Slow-Release Nutrient Spikes for Trees \u0026 Shrubs","description":"\u003cp\u003e\u003cstrong\u003eJobe's Organics Tree Fertilizer Spikes are slow-release 16-4-4 nutrient sticks that feed trees and shrubs all season with no mixing, runoff, or mess.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese ready-to-use fertilizer spikes are designed to deliver a steady supply of essential nutrients directly to the root zone where trees and shrubs absorb them. The compact, time-release formulation minimizes waste and eliminates the need for measuring or liquid application. Install spikes around the dripline in early spring and again in late fall to maintain healthy growth and improved landscape appearance without odors or hazards.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these spikes deliver nutrients to trees and shrubs?\u003c\/h3\u003e\n\u003cp\u003eThe spikes dissolve slowly in the soil, releasing a balanced 16-4-4 N-P-K formula that moves into the active root zone. Because nutrients are timed to release over weeks, plants receive a consistent feed rather than a single flush, reducing stress and avoiding over-fertilization.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTime-release granules embedded in each spike\u003c\/li\u003e\n  \u003cli\u003ePlaced at the dripline to target feeder roots\u003c\/li\u003e\n  \u003cli\u003eReduces risk of runoff compared with surface-applied fertilizers\u003c\/li\u003e\n  \u003cli\u003eFeeds continuously through the growing season\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I apply Jobe's Tree Fertilizer Spikes correctly?\u003c\/h3\u003e\n\u003cp\u003eApplication is straightforward and requires no mixing: insert the recommended number of spikes evenly around the tree’s dripline, tapping them into the soil until the cap is flush with the surface. For best results, apply in early spring and again in late fall following package spacing guidelines based on trunk diameter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpace spikes evenly around the dripline, not at the trunk base\u003c\/li\u003e\n  \u003cli\u003eTap caps flush with soil; no digging or measuring needed\u003c\/li\u003e\n  \u003cli\u003eUse more spikes for larger trees and fewer for small shrubs\u003c\/li\u003e\n  \u003cli\u003eReapply according to seasonal recommendations for sustained feeding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these spikes harm my trees or the environment?\u003c\/h3\u003e\n\u003cp\u003eJobe's formula is designed to be gentle on roots and will not burn trees when used as directed. Because the nutrients are delivered below the soil surface and released gradually, there is less chance of runoff or odor, and pets and people aren’t exposed to messy granules.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSlow-release chemistry reduces nutrient leaching\u003c\/li\u003e\n  \u003cli\u003eNo foul smells or hazardous residue on foliage or soil surface\u003c\/li\u003e\n  \u003cli\u003eSafe for use around established deciduous trees and shrubs\u003c\/li\u003e\n  \u003cli\u003eMinimizes waste compared with broadcast fertilizers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen is the best time to use these spikes and how often?\u003c\/h3\u003e\n\u003cp\u003eApply in early spring to support new season growth and again in late fall to fortify roots for dormancy. The slow-release action lasts through the season, so timing applications at these two key intervals helps maintain steady nutrition year to year.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrimary application: early spring for active growth\u003c\/li\u003e\n  \u003cli\u003eSecondary application: late fall to support root health\u003c\/li\u003e\n  \u003cli\u003eOne box contains 15 spikes—suitable for multiple small trees or several applications on larger specimens\u003c\/li\u003e\n  \u003cli\u003eRefer to label for spacing based on tree trunk diameter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners, landscapers, and gardeners who want a clean, convenient way to nourish trees and shrubs without mixing liquids or spreading granules. Jobe's Organics Tree Fertilizer Spikes suit busy yards, pet-friendly properties, and anyone looking for steady, below-surface feeding to support seasonal health and attractive landscapes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many spikes do I use per tree?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use more spikes for larger trees: follow the label's spacing guidelines based on trunk diameter for even distribution around the dripline.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these spikes safe for pets and children?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: When installed properly and caps are flush with soil, the spikes minimize contact risks; follow package safety instructions to ensure safe use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Jobe's Organics","offers":[{"title":"Default Title","offer_id":54204223029432,"sku":"B07DFP2CR7","price":103.58,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0636\/7416\/files\/jobes-organics-tree-fertilizer-spikes-front-packaging.jpg?v=1790626169","url":"https:\/\/canadianlawn.ca\/products\/jobes-organics-tree-fertilizer-spikes-16-4-4-15-pack-slow-release-nutrient-spikes-for-trees-shrubs","provider":"Canadian Lawn","version":"1.0","type":"link"}