• Home
  • 3-in-1 Citrus Tree Fertilizer for Container Citrus
  • GrowScripts Citrus Tree Care Kit packaging on a white background
  • Citrus trees side by side showing treated with GrowScripts and untreated
  • Six transparent packages containing different citrus tree plant food items on a white background
  • GrowScripts Citrus Tree Care Kit treated tree compared to untreated
Sale

3-in-1 Citrus Tree Fertilizer for Container Citrus

Subscribe and save

Auto-renews, skip or cancel anytime.

To add to cart, go to the product page and select a purchase option

Container-grown citrus trees require a different feeding approach than in-ground trees. Roots are confined. Nutrients wash out faster. Overfeeding causes stress instead of growth. This Citrus Tree Fertilizer is specifically designed for container citrus trees, delivering complete nutrition through a simple, easy-to-follow system that supports long-term plant health rather than quick spikes. Whether you are growing lemons, limes, oranges, or mandarins on a patio, balcony, or indoors, this fertilizer gives your tree exactly what it needs, when it needs it.

Shop Your Favorite Retailer

Amazon Fast Growing Trees Yarden

Key features

Tailored nutrition: designed for container-grown citrus trees in a 3-gallon pot or under.
Slow-release formula: provides 6 to 8 months of consistent feeding.
Trace nutrient support: includes iron, manganese, zinc, copper, and molybdenum to address deficiencies.
Calcium spray: boosts fruit quality and leaf vitality.
Beginner-friendly: clear instructions for stress-free application.

Ingredients

  • Controlled-release fertilizer (18-6-12): poly-coated NPK for sustained growth.
  • Trace nutrients: iron, manganese, zinc, copper, and molybdenum for lush, green foliage.
  • Calcium nutrient spray: calcium, magnesium, and boron for strong leaves and better fruiting.

How to use

  1. Fertilize the soil: sprinkle the controlled-release fertilizer evenly around the base of the tree on the soil. Do not mix it with water or apply it to the leaves.
  2. Feed the leaves: spray the trace element solution on the foliage until run-off, or apply as a soil drench, during active growth and any time to correct yellowing.
  3. Support bloom and fruit: spray the calcium solution on the foliage, or apply as a soil drench, before and during blossom and fruiting.

Reapply the granule every 6 to 8 months, and keep the sprays on the schedule included in the kit.

Why?

This fertilizer kit is specifically designed for container-grown citrus trees, ensuring they get the exact nutrition they need to thrive. GrowScripts takes the guesswork out of plant care with professional-grade ingredients and easy-to-follow instructions.

Makes how much?

Feeds one container citrus tree in a 3-gallon pot or smaller for a full season. Reapply as directed for best long-term results. Feeding a larger or in-ground citrus tree? The Large & In-Ground Citrus Tree Kit covers a 30-gallon tree, two 15-gallon trees, or three 10-gallon trees.
View full details
GrowScripts Citrus Tree Care Kit packaging on a white background

3-in-1 Citrus Tree Fertilizer for Container Citrus

Frequently Asked Questions

Which citrus trees can I use this on?

Potted lemons, limes, oranges, mandarins, kumquats, calamondin, and other container citrus. It is sized and formulated for trees in a 3-gallon pot or smaller, on a patio, balcony, or indoors.

How often should I fertilize my potted citrus?

The controlled-release granule feeds for 6 to 8 months, so it goes down only a couple of times a year, while the trace and calcium sprays are applied on the schedule included in the kit. That gives the tree steady nutrition without weekly feeding.

Why are my citrus leaves turning yellow?

Yellowing in container citrus usually comes from nutrients leaching out of the pot, most often nitrogen, magnesium, or iron. This kit provides complete nutrition plus the trace elements that address those deficiencies, which helps restore green foliage as the tree recovers.

Will this help my tree produce more fruit?

It supports it. The calcium and boron spray improves blossom quality and fruit set, and the complete base nutrition keeps the tree healthy enough to hold and size the fruit it sets, though light, watering, and variety all play a part too.

Can I use this on indoor citrus?

Yes. It is well suited to patio, balcony, and indoor container citrus, applied on the same simple schedule.

How is this different from the large kit?

This kit is measured for one tree in a 3-gallon pot or under. If you are feeding a larger container tree, an in-ground tree, or several at once, the Large & In-Ground Citrus Tree Kit is sized for that, covering a 30-gallon tree, two 15-gallon trees, or three 10-gallon trees.

All about feeding container citrus

Why container citrus needs a different feeding approach

A citrus tree in a pot lives on the nutrients in that small volume of soil, and every time you water, some of those nutrients drain out through the bottom of the container. An in-ground tree can push its roots outward to find more, but a potted citrus tree has nowhere to go, so it runs its soil down far faster and needs steadier replenishing than its size alone would suggest. That same confined root space makes a container tree easy to overfeed, which is why a controlled-release feed that meters nutrients out slowly suits potted citrus better than heavy, occasional doses.

Reading a citrus tree that needs feeding

Citrus shows nutrient stress plainly, and the leaves are the first place to look. Overall pale or yellow-green foliage usually points to nitrogen running low, while yellowing between the veins on newer leaves often signals iron, manganese, or zinc, the micronutrients that leach quickly from containers. Weak flowering and small or dropped fruit can trace back to a lack of calcium and boron at bloom. Catching these early and feeding steadily keeps a potted citrus tree in active growth rather than letting it slide, which a stressed tree in a pot can do quickly.

Pro tips for container citrus care

Use a well-draining potting mix made for citrus or trees, since soggy soil in a pot causes as many problems as poor nutrition.

Water deeply but only when the top inch or two of soil is dry, because both overwatering and letting the pot dry out completely stress the roots.

Feed steadily rather than heavily, since a confined root ball does better on consistent controlled-release nutrition than on occasional strong doses.

Give citrus plenty of light, ideally six to eight hours, since a tree that is short on light will not use the nutrients you give it.

Do not reach for fertilizer to fix a struggling tree, because yellowing from overwatering or cold stress will not be corrected by feeding and can be made worse by it.

How the three-in-one system works

Healthy citrus needs more than nitrogen, phosphorus, and potassium, which is why this kit pairs the granular feed with two foliar sprays. The controlled-release 18-6-12 granule handles the base nutrition at the roots and feeds steadily for months. The trace element spray delivers the iron, manganese, zinc, copper, and molybdenum that containers leach fastest, correcting the yellowing those shortages cause. And the calcium, magnesium, and boron spray supports cell walls, foliage, and fruit set, which is what helps flowers become fruit that holds and sizes up. Together they cover the gaps a single NPK product leaves open.

Container or in-ground: which kit do you need?

This kit is sized for one citrus tree in a 3-gallon pot or smaller, the patio, balcony, and indoor trees most home growers keep. If your tree has outgrown that, moved into a large container, or gone into the ground, the Large & In-Ground Citrus Tree Kit is built for that and covers a 30-gallon tree, two 15-gallon trees, or three 10-gallon trees.

Related guides