Wicked Growth Asparagus Fertilizer
Wicked Growth Asparagus Fertilizer
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Product Description
Product Description
Feed the Ferns, Bank the Crown — High-Nitrogen 16-10-13
Old Cobblers Farm Wicked Growth 16-10-13 is an asparagus fertilizer built around how this perennial actually works. Asparagus is a long-game crop: the spears you cut in spring are powered by energy the plant banked in its crown the previous summer. That makes the post-harvest fern a feeding priority, and it's why this formula leads with nitrogen — 16% — to drive the lush fern growth that recharges the crown for next year, alongside 10% phosphate for roots and crown establishment and 13% potash for plant structure and resilience. Added sulfur and magnesium round it out, with magnesium feeding the chlorophyll that keeps the ferns green and photosynthesizing hard.
Part of the nitrogen comes from polymer-coated urea, which releases gradually rather than all at once — so a single post-harvest application keeps feeding the ferns through their growing stretch instead of flushing and fading. The timing is the key: cut your spears through spring, stop harvesting, then feed, and let the ferns convert that nitrogen into stored crown energy all summer.
Key Benefits
High nitrogen, on purpose — 16% nitrogen drives the post-harvest fern growth that recharges the crown — and next spring's spears are made from this summer's stored energy.
Partly coated, longer feeding — Part of the nitrogen is polymer-coated for gradual release, so one post-harvest feeding keeps the ferns fed through their growing stretch.
Magnesium for green ferns — Added magnesium feeds the chlorophyll that keeps ferns green and photosynthesizing — directly tied to how much energy the crown banks.
A complete perennial feed — Sulfur supports nutrient uptake; 10% phosphate builds roots and crowns; 13% potash supports structure and resilience in a long-lived bed.
New beds to old beds — New crowns or decades-old beds, small raised beds or large patches — one formula for the whole asparagus life cycle.
Simple bed rates — 1.5–2 lbs per 100 sq ft; a 5 lb bag covers roughly 250–333 sq ft.
Where to use it: new asparagus crowns and established beds, small raised beds and large perennial patches, in home gardens and larger plots.
Application Instructions
Application Instructions
Timing:
-New plantings: mix into the soil before placing crowns
-Established beds: the main feeding goes on right after the final spring harvest, when the ferns take over; an early-spring side-dress before spears emerge is an optional second feeding
Steps:
1. For new beds, mix the measured amount into the planting trench or bed before setting crowns. For established beds, broadcast evenly over the bed.
2. Keep granules off emerging spears and crowns; spread over the root zone, not against the plants.
3. Water thoroughly to activate the nutrients and move them into the root zone.
4. The coated-urea portion continues releasing as the ferns grow — one post-harvest feeding does the season's main work.
When and how often: main feeding after the final spring harvest; optional early-spring side-dress. The post-harvest fern is what builds next year's spears, so don't skip it.
Ingredients
Ingredients
-Purkote / Polymer-Coated Urea (10%) — Polymer-coated urea — a controlled-release nitrogen source that feeds gradually as the ferns grow through summer. (This is what supports the partial slow-release positioning.)
-Monoammonium Phosphate (20%) — Supplies the 10% phosphate for roots and crown establishment, plus a nitrogen contribution.
-Potassium Chloride (20%) — Also called muriate of potash; the main potassium source for plant structure and resilience.
-Potassium Magnesium Sulfate (10%) — Also called K-Mag/Sul-Po-Mag; supplies magnesium and sulfur (plus additional potassium) — magnesium for chlorophyll and green fern growth.
Product Specifications
Product Specifications
– Nitrogen (N): 16% — 0.8 lb per 5 lb bag (part from polymer-coated urea)
– Phosphate (P₂O₅): 10% — 0.5 lb per 5 lb bag
– Potash (K₂O): 13% — 0.65 lb per 5 lb bag
– Secondary Nutrients: Sulfur and magnesium (from potassium magnesium sulfate)
– Total NPK: 1.95 lb per 5 lb bag (39% NPK analysis)
– Form: Granular; part of the nitrogen is polymer-coated for gradual release
– Coverage (5 lb): Approx. 250–333 sq ft
– Application Rate: 1.5–2 lbs per 100 sq ft
– Feeding Schedule: Main feeding after final spring harvest; optional early-spring side-dress
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