Tropicals

Nephrolepis biserrata

Macho fern

Also known as: Giant sword fern

Nephrolepis biserrata 'Macho' at the United States Botanic Garden. Source image unmodified.

An oversized sword fern with long, bold green fronds that fill large urns and hanging baskets. Its broad, arching growth brings a lush tropical feel to a shaded porch or patio. Allow plenty of room around the pot.

At a glance

Mature size: Height: Fronds about 3–4 ft. long
Water: Water when the surface feels dry; avoid prolonged drying
Life cycle: Tender evergreen fern
Light: Shade to partial shade; morning sun outdoors

Sizes & prices

#1$24.99
#2$36.99
#3$39.99

Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.

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Resistance & tolerances

Drying winds: Shelter helps prevent damaged fronds.

Pet safety

Pets: ASPCA lists Nephrolepis biserrata as non-toxic to cats and dogs; discourage chewing.

If a pet eats a potentially toxic plant, contact your veterinarian promptly.

Seasonal interest

Form: Large, arching sword-shaped fronds.

Growing & care

Soil: Well-drained potting mix.
Placement: Shelter from strong, drying winds.
Winter: Bring indoors before frost to a bright spot without direct sun.
Feeding: Feed during summer with a suitable houseplant fertilizer, following its label.

Sources & photo credits

Costa Farms

ASPCA Animal Poison Control

Photo: David J. Stang · CC BY-SA 4.0

Reviewed September 26, 2026. Growing conditions vary by location.