GrowScripts Citrus Tree Fertilizer Calendar

For container-grown citrus (1–10 gal pots)
(Use with 18-6-12 CRF, Essential Trace Elements, and Calcium Nutrient Solution)

Month/Feeding Focus What to Apply Why It Matters
January
Rest / Low Light
No feeding. Keep soil lightly moist. Trees slow down indoors or in cool weather — roots rest.
February
Wake-Up Feed
Apply ½ pouch 18-6-12 CRF + Micronutrient Feed Recharges roots before new growth begins.
March
New Growth & Bloom
Apply 18-6-12 CRF (start of 6-month feed) + Micronutrient Feed Drives leaf flush and supports flower buds.
April
Fruit Set & Stem Strength
Apply Calcium Nutrient Solution (foliar or soil) Prevents blossom drop and supports developing fruit.
May
Active Growth
Continue Micronutrient Feed every 2–3 weeks Sustains deep-green foliage and healthy canopy.
June
Peak Feeding
Add Cal-Mg mid-month Helps nutrient flow in high heat; keeps leaves firm and bright.
July
Fruit Development
Light Micronutrient Feed + steady watering Supports fruit sizing and avoids mid-summer deficiencies.
August
Late Growth & Second CRF
Apply 18-6-12 CRF (2nd 6-month feeding) + Calcium Builds reserves for next bloom cycle.
September
Fruit Ripening
Maintain Micronutrient Feed once Keeps foliage balanced while fruit colors up.
October
Transition
Micronutrient Feed Hardens tissue before cooler months.
November–December
Rest (unless inside)
Outdoor: Light feeding. Water when top inch is dry. Indoor: Micronutrient Feed Allows recovery and prevents fertilizer buildup.

🌿 Quick Use Guide


☀️ Regional Tips

Zone Winter Care Feed Pause
Florida (9–10) Keep outdoors year-round; pause feeding Dec–Jan if growth slows. 1–2 months
Temperate Zones (7–8) Move to protected area when nights fall below 35°F. Light feeding indoors