Freesia (Cape lily) care

Light

Most houseplants will scorch where freesia thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Give freesias as much bright light as possible: at least 6 hours of direct sun outdoors, or the brightest, coolest, airiest spot indoors such as a cool conservatory, porch or south-facing windowsill. In hot climates a little afternoon shade prevents blooms fading too fast. Too little light produces weak, floppy, blind (non-flowering) growth. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for keep evenly moist while in growth; reduce to nothing once foliage yellows after flowering for freesia, but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Water as needed to keep the compost evenly moist (never waterlogged) once shoots appear and through flowering — don't let pots dry out. After blooming, continue watering until the leaves yellow, then stop completely and let the corms dry off for storage. Overwatering, especially in cold or poorly drained soil, invites corm rot and Fusarium.

Soil and pot

Freesia grows best in free-draining, gritty potting mix or sandy loam, ph 6.5-7.0. Use a free-draining medium: RHS suggests two-thirds peat-free John Innes No.2 plus one-third horticultural grit for pots, or organically rich, well-drained sandy loam in beds. Good drainage is essential — freesias rot in heavy, soggy ground. Plant corms with the tip just at or above the compost surface. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Freesia sits happiest at around 40-60% humidity and 10-21°C (50-70°F). Average room or greenhouse humidity is fine; freesias are not fussy about moisture in the air. The bigger priority is fresh air movement and good ventilation — stagnant, humid, still conditions encourage Botrytis (grey mould) on the flowers and foliage. During corm storage, by contrast, a high humidity of around 75-80% is recommended. If you keep the room above 10 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed freesia sparingly. Feed every one to two weeks with a high-potassium fertiliser (such as a tomato feed) from the moment the first flower buds appear, continuing until the foliage begins to die back. Avoid high-nitrogen feeds, which encourage soft, lush growth at the expense of flowers and increase disease risk. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on freesia in the Growli community. Each is annotated with the most common cause so you know where to start.

• Blind shoots (leaves but no flowers) — Usually caused by too much warmth (over about 21°C/70°F) during growth, too little light, or excess nitrogen, all of which favour foliage over blooms.
• Floppy, spindly, weak stems — Growing temperatures that are too high combined with low light cause soft, leggy growth that flops over and needs support.
• Fusarium wilt / corm rot — A soilborne fungus that turns plants yellow and wilted with pink-to-brown rotted corms; triggered by waterlogged, overly wet or over-fertilised conditions and incurable once established.
• Botrytis (grey mould) — A fuzzy grey fungus on flowers, stems and leaves that develops in still, humid, poorly ventilated conditions, especially crowded plantings.
• Aphids and thrips — Sap-sucking pests that distort and twist new growth and flower spikes and can transmit viruses; thrips in particular streak and scar the blooms.
• Virus infection — Aphid- or thrips-spread viruses cause streaked, mottled or deformed leaves and flowers; there is no cure, so infected plants should be removed.

Companion plants

Freesia pairs well with Tulips, Daffodils (Narcissus), Ranunculus, Anemone, and Muscari (grape hyacinth). These are species with similar light and water needs, so you can group them in the same room or on the same shelf and water as a batch.

Propagation

Propagate from offset cormels that form around the parent corm: lift after the foliage dies back, dry and store the corms, then separate and replant the largest for flowering and grow on the smaller cormels for a year or two. Freesias can also be raised from seed, though seed-grown plants take longer to reach flowering size. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Freesia is pet-safe. Freesia is not listed in the ASPCA's formal toxic/non-toxic plant database, but ASPCA editorial guidance explicitly names freesia (Freesia corymbosa) as non-toxic to cats and dogs, noting only the potential for an upset stomach if eaten. As with any plant, chewing the foliage or corms can cause mild gastrointestinal signs such as vomiting or drooling in cats and dogs, so it is best kept out of reach. Because freesia is not on the ASPCA's species-specific list, confirm with your vet or the ASPCA Animal Poison Control Center (888-426-4435) if your pet ingests a significant amount, particularly the corms. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Freesia deep-dive guides

Every aspect of freesia care, each with its own calibrated guide:

• Freesia watering schedule
• Freesia light requirements
• Best soil mix for freesia
• Freesia fertilizing guide
• When to repot freesia
• How to propagate freesia
• Freesia growth rate & size
• Freesia cold hardiness
• Freesia temperature & humidity
• Is freesia toxic to cats & dogs?
• Getting freesia to bloom

Related guides

Freesia is also known as Freesia, Common freesia, Cape lily, and Fragrant freesia.

• Peace lily care — light, water and common problems
• Bird of paradise care — light, water and common problems
• Hoya care — light, water and common problems
• All 271 plant care guides in the Growli library