Description
Royal Gold Crown Jewels Imperial Boost is a 0-15-11 organic dry bloom booster with 17% calcium. Royal Gold recommends it in early bloom to encourage flower set and structure, and in late bloom to improve flower size, yield and quality. It can be top-dressed or brewed into a tea, and Royal Gold lists it as OMRI and CDFA certified. This listing is the 1 lb bag.
Guaranteed analysis
- Available phosphate (P2O5): 15%
- Soluble potash (K2O): 11%
- Calcium (Ca): 17%
- Magnesium (Mg): 1.5%
Derived from bone meal, potassium magnesium sulfate, sulfate of potash, rock phosphate, seabird guano and kelp meal.
How to use
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Top-dress established plants: 2-5 tbsp per cubic foot of potting medium, or 1-2 tsp per gallon of medium. Scratch lightly into the soil and water well. Apply 2-3 times during flowering, 10-14 days apart.
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Field: 4-6 cups per 100 sq ft.
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Fertilizer tea: up to 1 tsp per gallon of water. Mix well and apply to the soil.
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Aerated tea: up to 1 tbsp per gallon, or 1/2 cup per 10 gallons. Aerate up to 48 hours in clean, non-chlorinated water. Apply full strength, or dilute up to 50:1 for sensitive plants or foliar use.
Good to know
- Store in a cool, dry place, away from pets and children.
