Barrel cacti are often considered low-maintenance plants, but you must fertilize them regularly to stay healthy. The best cactus fertilizer for barrel cacti is one that is high in potassium and low in nitrogen.
A few types of cactus fertilizer can be used for barrel cacti. One is a granular fertilizer that you can apply around the base of the plant. Another is a liquid fertilizer that can be diluted and applied to the soil.
Best Cactus Fertilizer for Barrel Cacti: Our Top 6 Picks
1. Best Root Booster: Trifecta Mycorrhizal Fungi Root Enhancer
Trifecta root enhancer is easy to use fertilizer for barrel cacti. It’s both water-soluble and granular. You can add it directly to your cacti or add it to water and pour it into the potted plant.
You can use the fertilizer with indoor plant fertilizer, rooting hormone, compost tea, beneficial bacteria, and living hydroponic nutrients.
The high-performing fertilizer is made from a versatile Rhizophagus Irregularis Mycorrhizae strain known for root stimulation. It boosts your cacti nutrient intake, drought resistance, and the growth of bigger roots.
The fertilizer is available in two, six, and thirteen ounces.
2. Best for Succulent Plant: Bonide Liquid Cactus Fertilizer
Are you looking for fertilizer to give your cactus blooming growth? Bonide fertilizer is a liquid concentrate formulated for succulents like cacti, jade, and aloe.
The cactus food 8 ounces 2-7-7 fertilizer is large enough and super concentrated to last you long. The fertilizer is suitable for tropical plants. It promotes lush foliage, strong roots, and robust plant growth with minimal watering.
The concentrate is easy to use. You will only need to mix it with water and spray it on your cactus.
3. Best for Leaf and Root Growth: JR Peters All Purpose Fertilizer
JR Peters is formulated for indoor, outdoor, surf, vegetable, and tree plants if you’re looking for a multi-purpose fertilizer for your garden plants. The phosphorous, potassium, and nitrogen formula provides rapid leaf growth and green-up.
The fertilizer component is 2.1% Nitrate nitrogen, 20% Nitrogen, 20% Phosphate , Boron 0.02%, Copper iron 0.1%, Manganese 0.05%, Soluble potash 20% , Zinc 0.05% and copper 0.05%. The fertilizer is made with easily dissolvable raw materials for ease of use.
The 17-6-6 fertilizer is suitable for plant use to maintain leaf and root growth. You can identify it with its blue color.
4. Best Organic: Espoma Cactus Liquid Fertilizer
If you love to raise your plants organically, the Espoma cactus fertilizer is a liquid concentrate made with beneficial microbes and natural proteins for the best results in your plants.
The fertilizer gives beautiful results if used on your indoor plants. It polishes your plants’ leaves, giving them a lasting shine. The packaging is designed with an easy-to-dose cap, so you don’t have to struggle with measurement.
The 8 ounces of liquid plant food comes in a pack of four to last you long feeds instantly to promote plant and flower growth. It feeds instantly to promote plant and flower growth. You’ll only need to mix it with water and apply it to your cactus.
5. Best for Calcium: Grow More Cactus Juice Fertilizer
Grow more cactus fertilizer is a liquid plant food that contains calcium and nutrients for cacti growth. The 16 oz cactus juice is easy to use. You must mix a teaspoon of juice per gallon of water and apply it to the base of the plant as a soil drench.
The calcium-rich fertilizer boosts flower growth if you apply it every two weeks during the growing season of your cactus. It keeps your cacti healthy and boosts their growth.
The 1-7-6 formulated fertilizer contains 1% nitrogen, 6% soluble potash, 7 % available phosphate and 1 % nitrate nitrogen. It’s suitable for all your succulent plants.
6. Best Pellets: Leaves and Soul Succulent Fertilizer Pellets
If you prefer your fertilizers in pellet form, the leaves and soul cactus fertilizer is your choice. The 13-11-11 pellet fertilizer is a slow-release fertilizer pellet that contains all the essential nutrients your cactus needs.
The fertilizer is succulent to offer ideal conditions for your cacti growth. It benefits your cactus with improved nutrient uptake and absorption, excellent plant support, and good root growth.
The fertilizer formulation is easy to use, and a single application of the fertilizer lasts up to 180 days due to slow release. The 5.2 ounces package is great for all succulent plants. You can also use it on mature plants and seedlings.
Conclusion
If you have barrel cacti, you know they are one of the most low-maintenance plants. But even these easy-to-care-for plants need the occasional fertilizer boost – and that’s where we come in.
We’ve chosen fertilizers specifically designed for cacti and succulents that contain all the nutrients that barrel cacti need to stay healthy and thrive.
