Christmas Fern is grown for its blooms, which open in summer. It's hardy across USDA zones 3 through 9 and shrugs off deer.
Christmas Fern — the short answer
Christmas Fern: grown in zones 3–9, part sun.
- USDA zones
- 3–9
- Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
- Sun
- Part Sun
- Growable Ground Plant Database
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — each tile names its own row's source, because per-field provenance varies.
Score Christmas Fern on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether christmas fern actually takes — and those shift from one yard to the next. Enter your address and we'll score christmas fern against your land's real conditions.
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What Christmas Fern is
Christmas Fern reaches around two feet at maturity. It blooms in summer. It's also deer-resistant.
How to grow Christmas Fern
Christmas Fern grows in USDA zones 3 through 9. Christmas Fern does best in part sun — at least 4 hours of direct sun a day, on consistently moist ground.
USDA Zones
3-9
USDA PHZM 2023
Soil pH
Data pending
Sun
Part Sun
Growable Ground plant catalog
Drainage
poorly (saturated >50% of year)
Growable Ground plant catalog
Mature Height
2 ft
Growable Ground plant catalog
Frost-Free Days
0+
The frost-free stretch it needs start to finish — short-season areas may need an indoor head start.
Growable Ground plant catalog
Start the season right
Plant christmas fern in part sun with at least 4 hours of direct sun.
Match the soil
Pull a soil test from your local Extension lab to confirm pH and drainage match christmas fern's needs before planting.
Water steadily
Keep the root zone evenly moist through establishment. Match watering to the plant's drainage preference and your local rainfall.
Harvest at its peak
Cut christmas fern blooms in the cool of the morning, just as they open, for the longest display.
Where Christmas Fern thrives
Christmas Fern is hardy across USDA zones 3 through 9. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
A USDA zone is a 10°F band of average annual extreme winter minimum, so zones 3–9 spans average winter lows from -40°F to 30°F (USDA PHZM 2023). Across the 50 states and DC, that band covers 42 outright and splits 9 more down the middle — and which side of that line your land sits on changes the answer.
Zones 3–9·Where Christmas Fern growsOpen map →
Where Christmas Fern stands, state by state
Christmas Fern is rated for zones 3–9 — a cold floor USDA puts at -40 to -30°F. Across the 50 states and DC, 42 sit fully inside that band, the line runs through 9 more, and 0 sit outside it — and inside every split state, the same line runs on at county grain.
Fully inside zones 3–9
42 states
3 of 42 shown
The line runs through
9 states
- Alaska · zones 1a-9a
- California · zones 4b-11a
- Nevada · zones 4a-10a
3 of 9 shown
Christmas Fern’s band covers part of each of these states — which side of the line your county sits on changes the answer, and each state page draws it.
State zone extents: USDA Plant Hardiness Zone Map (PHZM) 2023. A zone is a 10°F band of average annual extreme minimum temperature, so a state that splits the band contains the boundary — its own page draws the county line, and a parcel report resolves which side your land sits on.
What grows around Christmas Fern
Growing guides for christmas fern
In rotation planning, christmas fern counts as a Other — beds recover best when other crops don’t follow each other in the same spot year over year. (Growable Ground derivation — crop-rotation group from botanical family)
Related plants in perennial flower
Good to know
Good news for pet owners — christmas fern isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Christmas Fern isn't classified as a notable pollinator plant in our data — pair it with high-value bloomers nearby to feed bees.
Your land is one point inside Christmas Fern's range
This page resolves to the species. Your state page draws the county line, and a report reads the parcel — the soil pH, drainage, sun, and frost dates on your exact ground, which no species average can see.
See if Christmas Fern will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether christmas fern actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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How we know this about Christmas Fern
The figures above are cited per row, not per site: the pH band names this plant’s own source column, the three temperature figures each carry their own, and days-to-maturity cites the publication that actually lists it. All of it comes from the Growable Ground Plant Database — a compilation over FAO ECOCROP, USDA PLANTS, and university Extension sources, published openly with per-field provenance.
Grounded inUSDA PLANTS Database•USDA PHZM•ASPCA
Frequently asked questions
Can I grow Christmas Fern in my zone?
Christmas Fern grows in USDA hardiness zones 3 through 9 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant Christmas Fern?
Time christmas fern to your own season rather than the calendar. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Christmas Fern need?
Christmas Fern does well in partial sun — around 4 hours of direct sun, and it takes some afternoon shade in stride. That flexibility makes it a good match for a bed the house or a nearby tree shades for part of the day. A Growable Ground report maps how the sun actually falls on your land, hour by hour, so you can set it where the light lines up.
What soil does Christmas Fern need?
Specific pH data for christmas fern is pending. It prefers consistently moist ground. A soil test from your local Extension lab confirms what your site needs.
Does Christmas Fern attract pollinators?
Christmas Fern isn't classified as a notable pollinator plant in our data. Pairing it with high-value bloomers nearby keeps bees and butterflies fed.
Is Christmas Fern safe for pets?
Christmas Fern is not known to be toxic to dogs or cats based on available data. Always supervise pets around new plantings. (Source: ASPCA.)