Southern Sword Fern (Nephrolepis cordifolia) – Hardy Evergreen Fern for Shade Gardens

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Southern Sword Fern

Nephrolepis cordifolia, Tuberous Sword Fern, Kupukupu

A tough, evergreen sword fern with upright fronds and underground tubers that make it more resilient and forgiving than traditional Boston ferns.

$19.00

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Description

The Southern Sword Fern (Nephrolepis cordifolia) is a reliable, low-maintenance evergreen fern prized for its upright, sword-shaped fronds and exceptional adaptability. Unlike more delicate fern varieties, this species develops underground tubers that help it tolerate short dry periods and recover quickly after planting.

Its clean structure and rich green foliage make it an excellent choice for shaded landscapes, patios, entryways, and indoor environments. In mild coastal climates like the San Francisco Bay Area, it performs beautifully year-round outdoors while also thriving as a large houseplant in bright, indirect light.

Why gardeners and designers choose Southern Sword Fern:

More drought-tolerant than Boston Fern
Stronger fronds with less leaf drop
Excellent for shade gardens and low-light areas
Performs well in containers or in the ground
Reliable evergreen color all year in mild climates

Quick Facts

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Botanical Name: Nephrolepis cordifolia

Common Name: Southern Sword Fern

Plant Type: Evergreen Fern

Mature Size: 2–3 ft tall, 2–3 ft wide

Sun Exposure: Partial Shade to Bright Indirect Light

Water Needs: Moderate; more drought tolerant than Boston Fern

USDA Zones: 9–11

Growth Rate: Moderate

Faqs

Is Southern Sword Fern the same as Boston Fern?
No. While they look similar, Southern Sword Fern (Nephrolepis cordifolia) is more upright, tougher, and has underground tubers that improve drought tolerance.

Can this fern grow outdoors in the Bay Area?
Yes. In most Bay Area microclimates (USDA Zone 9–10), it grows well outdoors year-round in partial shade.

Is it suitable as an indoor plant?
Absolutely. It performs well indoors with bright, indirect light and regular watering.

How often should it be watered?
Water regularly during establishment. Once established, it tolerates brief dry periods better than many other ferns.

Does it spread aggressively?
In garden settings it spreads slowly by runners. Normal maintenance keeps it well-behaved in California landscapes.

📍 Primary Delivery Area · San Francisco Bay Area

Local delivery across the Bay Area — and beyond.

San Francisco Bay Area is our primary local delivery market. Victory Nursery also serves additional California markets and selected extended delivery areas by arrangement.

Regular local delivery: San Francisco, Peninsula, South Bay, East Bay, Marin, Tracy / Mountain House and surrounding service areas.

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Gallon describes the container size, not a guaranteed plant height. Individual plants vary. Contact our nursery for current measurements.

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