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Fern Crocodyllus | Crocodile

Fern Crocodyllus | Crocodile

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About This Plant

Crocodile Fern (Microsorum musifolium 'Crocodyllus') is native to the tropical rainforests of Malaysia, Australia, and Southeast Asia. The fronds are light to mid-green and the veining pattern is bold and three-dimensional when viewed up close.

The crocodile-skin frond texture is unique. Every other common houseplant fern has smooth, matte, or fine-textured fronds. The Crocodile Fern has deeply ridged, almost three-dimensional frond surfaces that catch light from multiple angles and look different from any other plant.

Safe for cats and dogs. The ASPCA confirms Microsorum spp. is non-toxic to cats and dogs. The Crocodile Fern is confirmed pet-safe, making it a good choice for households with pets where you want a textured tropical plant without toxicity concerns.

It handles moderate indoor humidity better than many ferns. It does not need the constant high humidity of a Boston or Maidenhair Fern to stay healthy, which makes it more practical for Canadian homes. The Blue Star Fern is another humidity-tolerant fern with a different blue-green colour.

Winter Slowdown

Growth slows from November onward but the Crocodile Fern holds its textured fronds well through winter. Keep temperatures above 16 degrees C, soil consistently moist, and keep it in medium indirect light away from heating vents. No fertilizer until spring.

Toxicity

Non-toxic to cats and dogs, confirmed by the ASPCA (Microsorum spp.). The crocodile skin frond texture is unique but completely safe for pets. The ASPCA confirmed non-toxic status is accurate. Safe for homes with pets and small children.

Pests

Scale insects are the most common pest on Microsorum ferns, appearing on the undersides of fronds and along the central stem. The deeply ridged frond texture provides more hiding places for scale than smooth fronds.

Other Plants You Might Like

Not sure this is the right fit? Here are three other plants our Canadian customers love. All ship across Canada and thrive in Canadian homes.

Crispy Wave Fern. Textured and ruffled.

For another fern with distinctive three-dimensional frond texture and the same pet-safe status, the Crispy Wave Fern has deeply ruffled, crinkled frond edges and handles moderate indoor humidity.

Birds Nest Fern. Smooth and broad.

For a pet-safe fern with the opposite approach: smooth, broad, flat fronds in a rosette, the Birds Nest Fern handles low light and moderate humidity and is one of the most practical ferns for Canadian homes.

Blue Star Fern. Unusual colour, dry-tolerant.

For a pet-safe fern with a different blue-green colour and unusually dry-air tolerance, the Blue Star Fern handles the dry Canadian heating season better than most ferns.

Common Questions

How often should I water the Crocodile Fern?

Keep the soil consistently moist. Water when the top inch of soil feels slightly dry, every five to seven days in spring and summer and every seven to ten days in a Canadian winter. The leathery fronds give a bit more tolerance for occasional drying than thin-fronded ferns. Our indoor plant watering guide shows how to check correctly.

What light does it need in a Canadian home?

Bright to medium indirect light. It handles lower light reasonably well as it grows in the shaded understorey of tropical rainforests. A north- or east-facing window works well. Direct sun scorches the fronds. Read our guide to light requirements for indoor plants to find the right spot.

Is the Crocodile Fern safe for cats and dogs?

Yes. The ASPCA confirms Microsorum spp. is non-toxic to cats and dogs. The Crocodile Fern is confirmed pet-safe despite what some product listings may show. Safe for homes with pets and small children.

Why is the frond texture fading or becoming less pronounced?

The deeply ridged texture is most pronounced in good indirect light. In very low light the fronds may appear flatter. More commonly, frond texture dullness is caused by dust accumulating in the ridges. Gently wipe the fronds with a soft damp cloth to clean the ridges and restore the distinctive texture.

Will it survive a Canadian winter indoors?

Yes. Its thicker, leathery fronds handle dry Canadian heating conditions better than most ferns. Keep above 16 degrees C, consistently moist, and in medium indirect light away from vents. Read our tips on keeping plants alive in winter for more.

Good to Know

Sun: Indirect

Bright to medium indirect light. A north- or east-facing window works well in Canadian homes. Handles lower light better than many ferns. Direct sun scorches the leathery fronds.

Light: Medium to bright indirect

A spot near a north- or east-facing window works year-round. From October to February in Canada, keep it in the brightest indirect spot available. The thick fronds handle lower winter light better than thin-fronded ferns.

Water: Keep top inch moist

Water when the top inch of soil feels slightly dry. Every five to seven days in spring and summer, every seven to ten days in Canadian winter. Leathery fronds give slightly more drought tolerance than most ferns.

Humidity: Moderate

Handles moderate indoor humidity better than most ferns. A pebble tray nearby helps during the dry Canadian heating season from November to March. No full humidifier required.

Pet Friendly: Yes

Non-toxic to cats and dogs, confirmed by the ASPCA (Microsorum spp.). Confirmed pet-safe despite some product listings showing an incorrect caution. Safe for homes with pets and small children.

Pro Tip

The deeply ridged surface accumulates dust in its channels. This dust not only dulls the distinctive texture but also provides hiding places for scale insects. Gently wiping each frond with a soft damp cloth every two to three weeks keeps the texture vivid, and makes it easier to spot early scale infestations.


What To Expect

Shipping and Delivery Details

Choose local GTA delivery, free Richmond Hill pickup, or shipping across Canada. Pick your delivery or pickup date at checkout, we'll have it ready and fresh for you. See full shipping and delivery details.

30-Day Happy Plant Guarantee

If your plant arrives damaged or isn't healthy, contact us within 30 days with a photo. We'll sort it out with a replacement, refund, or store credit whichever works best for you. View our complete guarantee policy

Frequently Asked Questions

Certainly! If you're pondering about ordering plants online, you're not alone. We've compiled the most frequently asked questions. Check out our FAQ section here for quick answers! Happy planting!

Plant and Pot Size Guide

4" Pot (Small): plant is approx. 6-10 inches tall. 6" Pot (Medium): approx. 12-18 inches tall. All plants come in a standard nursery pot. Decorative pots are sold separately.

Winter Shipping Protection

Between November and March we add extra insulated packaging and heat packs to protect your plant from cold temperatures during transit. You can add winter shipping protection at checkout.

Returns Policy

If a plant arrives with significant damage, pests, or disease, we offer a full replacement or refund.Our guarantee covers the viability and health of your plant for 30 days.

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Plant care essentials

Everything you need to keep this plant thriving.

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