Black Rose Aeonium
Aeonium arboreum 'Zwartkop'
pet safesucculentdrought tolerant
SPECIMEN NO. 639
Native toSouthern and eastern Africa
Pet caution
Asparagus Fern
Asparagus setaceus
Also known as: Lace Fern, Foxtail Fern (related species)
A graceful, feathery plant with delicate, needle-like foliage that gives a soft, lacy texture — not a true fern, but a relative of the edible asparagus plant.
3–4dwatering range
bright indirectlight needs
13–24°Ctemperature
Watering amount
How much water does my Asparagus Fern need?
Estimated guideline, not a precise measurement — scale up for larger pots, brighter light, or active growth; scale down for smaller pots, lower light, or winter dormancy. Always water until it drains from the pot's base rather than measuring exactly.
Watering guide
Season note
Water when the top inch of soil feels dry, roughly 2-3 times a week in the growing season; reduce in winter.
Overwatering signs
Tolerant of overwatering compared to true ferns, but prolonged sogginess can still cause root rot
Underwatering signs
Yellowing and shedding of needle-like foliage ('cladodes')
Light & placement
Light level
bright indirect
Best rooms
Care details
Soil
Well-aerated mix with potting soil, perlite, and peat moss or coco coir
Humidity
Prefers high humidity; benefits from misting or a pebble tray
Fertilizer
All-purpose fertilizer at half strength monthly during growing season
Temperature range
13°C – 24°C
Plant care guide
Asparagus fern, botanically Asparagus setaceus, is native to southern Africa, with a documented range extending from South Africa northward through Ethiopia. Despite its common name and delicate, feathery, fern-like appearance, the plant is not a true fern at all — it belongs to the asparagus family, Asparagaceae, and the genus Asparagus, the very same genus that includes the familiar garden vegetable, Asparagus officinalis, alongside roughly 300 other recognized species. The genus name itself comes from Greek and references the edible shoots, called turions, that sprout from the rootstock of various Asparagus species, a reminder of the plant's genuine, if distant, kinship with the vegetable found on dinner plates worldwide, even though asparagus fern itself is not cultivated for eating.
The plant's lacy, delicate-looking foliage is itself something of a botanical illusion: what appears to be soft, needle-like leaves are, structurally speaking, not true leaves at all but rather flattened, modified stem structures called cladodes, which take over the plant's photosynthetic function; the plant's actual true leaves are reduced to tiny, largely invisible dry scales. This same cladode-based structure is shared by other closely related and commonly grown "asparagus fern" varieties sold under similar names, including Asparagus densiflorus (sometimes still labeled under older synonyms like A. sprengeri or A. aethiopicus), which has a somewhat different, more arching growth habit than the finer, more delicately textured Asparagus setaceus most specifically associated with the "lace fern" or "plumosa fern" common names.
Toxicity
Pets: Toxic to pets — keep out of reach
Humans: Toxic to humans if ingested
Toxic to cats, dogs, and humans if ingested, especially the berries; contains sapogenins that cause gastrointestinal upset, and the sap can cause skin irritation.
Frequently asked questions
Is Asparagus Fern toxic to cats and dogs?+
Yes, it's toxic if ingested, particularly the small red berries — this can cause vomiting, diarrhea, and abdominal pain in pets.
How often should I water an Asparagus Fern?+
About 2-3 times a week during the growing season, whenever the top inch of soil feels dry — it's more tolerant of occasional overwatering than true ferns.
Why is my Asparagus Fern shedding its needles?+
Usually low humidity or underwatering — the plant craves moist air and will drop its feathery cladodes if the environment gets too dry.
