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Heart Fern (Hemionitis arifolia), Fern
Fern

Heart Fern

Hemionitis arifolia

Varieties We Bring In

StandardHemionitis arifolia
Sizes & Pricing
1 galFrom$14.95

Last received Mar 11, 2026.

We bring this in seasonally, so what is on the lot changes week to week. A received date shows when it last came in, not that it is here today.

Call (904) 471-0440 to confirm this plant and size before you make the trip.

LightPart Shade, Full Shade
WaterHigh
Mature size0.5-1 feet × 0.5-1 feet

Pet toxicity: not on file, check before planting where pets chew

Pet safety guide

About Heart Fern

Heart Fern (Hemionitis arifolia) is a diminutive tropical fern from Southeast Asia, prized for its heart-shaped glossy fronds on slender black stems and compact size under 12 inches. In NE Florida zone 9b it must be grown indoors, in a terrarium, or on a heated, protected lanai — it cannot tolerate temperatures below 60°F and is not outdoor-hardy in this zone.

Plant details

Bloom Season
Non-flowering
Flower Color
Non-flowering
Growth Rate
Slow
Foliage
Evergreen
Soil
Loam, Acidic, Well-drained, Organic

Best planting months

Recommended months: March, April, May, September, October.

January, other month
February, other month
March, good window
April, good window
May, good window
June, other month
July, other month
August, other month
September, good window
October, good window
November, other month, this month
December, other month
This monthGood windowOther months

Seasonal care

Good planting window.

Care essentials

Light

Heart Fern requires bright indirect light or filtered shade — never direct sun, which scorches the delicate glossy fronds. A north- or east-facing windowsill, terrarium, or shaded lanai is ideal.

Water

Keep soil consistently moist but never waterlogged; root rot is the primary killer. Water little and often, ensuring excellent drainage. High humidity (60%+) is essential — use a pebble tray with water or grow in a terrarium.

Soil & Fertilizer

Plant in a chunky, airy mix of orchid bark, peat, and perlite. Fertilize at one-quarter strength with a balanced liquid fertilizer every 4–6 weeks during the warm growing season only. In NE Florida zone 9b, grow as an indoor or terrarium plant — it is cold-hardy only to zones 10–11.

Similar needs

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Common questions

Is Heart Fern a good plant for St. Augustine?

Heart Fern is a fern. Mature size: 0.5-1 feet × 0.5-1 feet. Light: Part Shade, Full Shade. Water needs: High.

Care information verified from

Last reviewed March 2026. Our care guidance comes from trusted horticulture sources and decades of helping St. Augustine gardeners. Conditions here can vary dramatically from one area to the next, so come ask us and we'll tailor it to your yard.