Mycorrhizal Fungi for Palm Trees
Mycorrhizal fungi for palms that expand root reach and nutrient uptake. Better establishment and greener fronds for landscape palms.
Apply it around the root zone or into growing media as directed to make beneficial biology an easy part of planting, repotting, or routine garden care.
Why You'll Love It
- Root Partnership Expands the root reach of landscape and transplanted palms.
- Nutrient Uptake Helps palms draw more water and nutrients from surrounding soil.
- Healthy Foliage Better root establishment underground shows up in greener fronds above.
Made by growers
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- Talk to real plant people. The team that mixes the formula answers your email.
- Made in-house, in the USA. Every bottle mixed and filled by us, not a third party.
- We're growers, not resellers. We use this on our own plants before it ships.
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Mycorrhizal fungi for palms that expand root reach and nutrient uptake. Better establishment and greener fronds for landscape palms.
How to Use Mycorrhizal Fungi for Palm Trees
| Method | Amount | How Often |
|---|---|---|
| Transplanting | Sprinkle on the roots and in the hole when transplanting | Once, at planting |
| New soil prep | Mix in 4 Tbs per cubic foot of soil | Once, when preparing soil |
| Established palms — small (spring & summer) | 1/2 to 1 tsp, spread evenly around the trunk and gently mixed into the top of the soil, then watered | Apply every 2-4 weeks |
| Established palms — medium (spring & summer) | 1 to 2 tsp, same application | Apply every 2-4 weeks |
| Established palms — large (spring & summer) | 1 to 1.5 Tbs, same application | Apply every 2-4 weeks |
| Established palms (fall & winter) | Same amounts | Apply every 4-8 weeks |
| Compost tea | 1/4 - 1/2 tsp per gallon of compost tea | Add when brewing |
This is a dry inoculant, not a fertilizer — the goal is contact between the granules and the roots or soil. Sprinkling it on the root ball at planting is the highest-value application; around established palms, apply inside the drip line where the feeder roots actually are.
What's Inside
Three groups of living organisms, measured in colony-forming units rather than NPK. The mycorrhizal fungi — led by Rhizophagus intraradices, the arbuscular species that partners with palm roots — colonize the root system and extend it with fine fungal threads, multiplying the root area drawing in water, phosphorus, and micronutrients. That matters more for palms than most trees: palms can't thicken old roots the way broadleaf trees do, so they depend on continuously initiating new ones — each a fresh colonization opportunity.
Backing the fungi, a bench of soil bacteria — Bacillus subtilis and five other Bacillus and Paenibacillus species at 580-680 million cfu per pound each, plus two Streptomyces — improves nutrient cycling in the root zone, and two Trichoderma species help beneficial organisms dominate the soil around the roots. There's no NPK by design: this builds the biology that helps a palm actually take up the potassium and magnesium its fertilizer supplies.
Made For
Outdoor and container palms — areca, queen, majesty, pygmy date, Mexican fan, windmill, sago, and coconut palms — at transplanting, when establishing new landscape palms, repotting indoor palms, and maintaining established specimens in sandy or depleted soil.
Problems It Solves
- Newly planted palms that stall for a season instead of establishing
- Transplant shock after moving or repotting a palm
- Palms in sandy soil that respond weakly to regular feeding
- Container palms with crowded, underperforming root systems
FAQs
How do I apply mycorrhizal fungi to a palm tree?
At planting, sprinkle it directly on the root ball and into the hole — that contact is where the payoff is. For new soil, mix 4 Tbs per cubic foot. For established palms, spread 1/2 tsp to 1.5 Tbs by size around the trunk inside the drip line, mix into the topsoil, and water — every 2-4 weeks in spring and summer, every 4-8 weeks in fall and winter.
Why do transplanted palms struggle so much?
Palms lose most of their functioning roots when dug, and unlike broadleaf trees they can't regrow from cut root ends — each root must be initiated new from the base of the trunk. That's why a moved palm can sit visually frozen for months. Inoculating at planting means every new root emerges into soil where mycorrhizae are waiting, shortening the rebuild it has to do.
Do I still need palm fertilizer if I use this?
Yes — this contains no NPK, no potassium, no magnesium. Palms are famously hungry for those last two, and no inoculant supplies them. What the fungi and bacteria do is improve how completely the roots capture what you feed — especially useful in sandy soil, where nutrients leach past the roots quickly. Run it alongside a palm fertilizer, not instead of one.
Will this fix yellowing palm fronds?
Usually not by itself, because frond yellowing in palms most often traces to potassium or magnesium deficiency — yellow-orange speckling on older fronds, or yellow bands with green centers — which is a nutrition problem for your fertilizer to correct. And don't trim yellowing fronds early: palms pull nutrients out of them. This product's role is upstream, helping roots capture those nutrients better.
Can I use this on indoor potted palms?
Yes — repotting is the ideal moment, since you have direct access to the root ball: dust it and the fresh mix, then pot as usual. Between repottings, use the small-plant rate (1/2 to 1 tsp) worked into the topsoil. Bagged potting mixes are close to sterile, so container palms benefit noticeably from having biology introduced — majesty and areca palms, both heavy feeders indoors, respond well.
When will I see results?
Soil biology moves slower than fertilizer, and palms move slower than most plants. Colonization takes several weeks after root contact; visible evidence follows the palm's own pace. Transplants show it first — holding their fronds and pushing a new spear sooner, typically over 6-10 weeks. On established palms expect gradual gains across a season: steadier spear production and better color response to feeding.
Related Products
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