Lemon Button Fern, Erect Sword Fern, Ladder Fern, Tuber Fern, Tuberous Sword Fern
Nephrolepis cordifolia 'Duffii'

Family: Polypodiaceae
Genus: Nephrolepis (nef-roh-LEP-iss) (Info)
Species: cordifolia (kor-di-FOH-lee-uh) (Info)
Cultivar: Duffii

Category:

Ferns

Height:

6-12 in. (15-30 cm)

12-18 in. (30-45 cm)

Spacing:

6-9 in. (15-22 cm)

Hardiness:

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:

Light Shade

Danger:

N/A

Bloom Color:

Inconspicuous/none

Bloom Time:

N/A

Foliage:

Grown for foliage

Other details:

This plant is suitable for growing indoors

Requires consistently moist soil; do not let dry out between waterings

Suitable for growing in containers

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Unknown - Tell us

Propagation Methods:

By dividing the rootball

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

This plant has been said to grow in the following regions:

Bellflower, California

Bloomington, California

El Cerrito, California

Stanford, California

Bartow, Florida

Hollywood, Florida

Jacksonville, Florida

Harlem, Georgia

Richmond, Texas

Kalama, Washington

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Gardeners' Notes:

3
positives
0
neutrals
0
negatives
RatingContent
Positive

On Aug 21, 2014, knurts from Richmond, VA wrote:

This is a happy plant! I've had no troubles with keeping it, out of direct sun, indoor or when I hang it outdoor in the summer. Misting helps, especially indoors.

***Do not confuse it with Button Fern 'Pellaea rotundifolia'. Requirements are different.

Positive

On Apr 2, 2009, GreeneLady from Oak Island, NC (Zone 8a) wrote:

Positive

On Nov 14, 2005, MotherNature4 from Bartow, FL (Zone 9a) wrote:

This charming little fern isn't the easiest to grow. Don't ever let it dry out or it will be G o n e !