Kimberly Queen Fern (Nephrolepis obliterata): Care Guide for Upright Fern

Kimberly Queen Fern (Nephrolepis obliterata)

Kimberly Queen Fern is a superior, upright Boston Fern relative with stiff, dark green fronds that stand tall (3 ft) rather than arch. It's more sun-tolerant, drought-tolerant, and resilient—ideal for porches, patios, poolside, or bright indoor spots. NASA-tested for removing formaldehyde, xylene, toluene.

Quick Facts

• Common Name: Kimberly Queen Fern, Sword Fern
• Botanical Name: Nephrolepis obliterata
• Mature Height: 12–36 in (30–90 cm)
• Width: 12–24 in (30–60 cm)
• Pet Safety: Non-toxic

Essential Care Requirements

Light

Bright indirect indoors. Part sun outdoors (morning/afternoon). More sun-tolerant than Boston Fern.

Temperature

60–75°F (15–24°C). Tolerates light frost if established.

Watering

Keep soil consistently moist. More drought-tolerant than most ferns.

Humidity

Average to high. Mist in dry heat.

Soil

Rich, well-draining, moisture-retentive.

Fertilizer

Monthly spring–summer diluted.

Repotting

Spring when root-bound.

Propagation

Division.

Common Problems & Solutions

• Brown fronds: Underwatering, low humidity, or aging.
• Yellowing: Overwatering or poor drainage.
• Pests: Scale, mealybugs. Rare if healthy.