Azolla, Bundle of 2

Item: 150138

Plants ship in accordance with your climate zone & are excluded from our free shipping promotion

Not sure which climate zone you're in? Find out here!

Cannot be shipped to AK, HI, PR or Canada.

Out of Season

This item is unavailable for the remainder of the year but will be available next season.

  • Free Floating Plant
  • Increases Shade Across Pond Surface
  • Promotes Natural Filtration

We offer Azolla for sale and ship directly to approved climate zones. Azolla is a nitrogen-harboring true fern that is able to multiply its weight three times each week during the summer months. It is a small, flat, diminutive, moss-like floating water plant that floats freely on the surface, often forming extensive reddish mats. Young Azolla is generally bright green, becoming pink, red, or dark brown as the plant matures and when exposed to strong sunlight.

Upon close examination, these floating water plants consist of many tiny ferns with multiple pairs of individual overlapping scale-like leaves that resemble a cedar leaf. Each plant may have a branching stem with several pairs of leaves, but only a single dangling root. Azolla is an excellent source of supplemental food for koi and goldfish, or looks especially good when allowed to root and grow on the moist ledge of a waterfall or stream. Sold in bundles of 2.

Aquatic Plants & Snails are excluded from free shipping offers and will ship separately from all other items. Plant shipping rates are $9.95.

Tech Specs

Usage Information

Replacement Parts

Here are the replacement parts for Azolla, Bundle of 2.

Floating Plant - Azolla
Plant Type Floating Plant
Hardiness Zones 9 To 11
Growing Light Full Sun To Partial Shade
Flower Color None
Bloom Time N/A
Plant Size Vertical Under 1"
Also Known As Azolla Caroliniana, Fairy Moss, Water Fern

Mail Order: What To Expect

Plants you receive by mail need time to adjust. Your plants will arrive in bundles. Upon arrival, they may not appear lush but given time & proper care, they will flourish!

Planting Instructions

Simply place in water and plant will float freely.


Fertilization is typically not needed for Azolla as they take excess nutrients from your pond water. If needed, Microbe-Lift® Bloom & Grow™ can be used.

Plant Maintenance

For best results, trim or prune as leaves begin to turn yellow or brown, remove them completely, discarding them to keep as much excess organic material out of water-body as possible.

Winter Care

In Zones 8 and lower, discard Azolla after the first hard frost.

Weeds Treated

The first step towards effectively treating any pond weed is proper identification. Azolla, Bundle of 2 is recommended for use against each of the weeds listed below. Click on your desired weed for more information and alternate control options.

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