Bulb · Iridaceae
Freesia
Freesia refracta
Arching sprays of intensely fragrant winter blooms, waiting patiently to reward your very first try.
Full sun
Every 3–7 days
61–70°F · 16–21°C
70–84 days
Overview
Freesia (Freesia refracta) belongs to the Iridaceae family, and this tender little corm hails from South Africa, where it earned its fame for a fragrance that fills a whole room. The blooms line up neatly along one side of a slender, arching stem, opening one after another so a single spray keeps its beauty going for days. If you have felt nervous about growing something scented and special, take heart, because this is a forgiving companion that gives back far more than it asks.
It is happiest in cool weather, flowering from winter into early spring about 10 to 12 weeks after the corms go into the ground. In USDA zones 9 and 10 the corms can stay outdoors and return faithfully year after year, while anywhere colder simply means growing them in pots and bringing the corms inside before frost, since a hard freeze is the one setback they cannot bounce back from. You get to choose the shades too, from white and gold to blue and red, and the white forms carry the sweetest perfume of the bunch.
Give it plenty of sun, though it will happily accept a bit of partial shade, along with a fast-draining mix and a careful hand at the watering can. Soggy roots are the single thing this plant will not forgive, so as long as you let the water run freely away you have already cleared the biggest hurdle. Small missteps are easy to recover from here, and with a little attention you will feel every bit the capable grower.
Care
The short version: offer full sun and a fast-draining mix, water steadily but lightly while it grows, then ease off as the leaves turn yellow and the corms settle into rest.
Light
Reach for the brightest spot you have, because full sun brings out the best in freesia, though it will still get along in partial shade if that is what you can offer. Just know that too much gloom leaves you with weak, floppy stems and fewer flowers, so if the stems start to lean and sprawl, more light is the gentle fix.
Water
During its active growing stretch, aim to keep the mix evenly moist, watering roughly every 3 to 7 days so it never dries to a crisp and never sits soggy. Too much water is the quickest way to rot a corm, so err toward restraint, and as the foliage begins to yellow, cut right back and let the plant drift into a well-earned rest.
Soil
Set your corms into an organic-rich, well-drained potting mix loosened with coarse sand or crushed rock, keeping the pH between 6.0 to 8.0. Freesia is genuinely picky about one thing only, and that is drainage, since standing water will finish off a corm, so a mix that lets excess moisture drain away is really all it asks of you.
Temperature
This is a cool-season grower at heart, and it thrives when temperatures sit between 61°F and 70°F (16°C to 21°C). When the weather turns hot the blooming season tends to wrap up early, so if you can time its growing months for the cooler stretch of your year, you will be rewarded with a longer, fuller show.
Humidity
You do not need to chase any particular moisture level here, as ordinary household or garden humidity suits it just fine. What matters far more is good airflow around the plant, because stagnant air is what tempts pests and rot to move in, so a little gentle circulation goes a long way toward keeping everything healthy.
Feeding
Once a month through the growing and flowering season, treat it to a balanced or low-nitrogen liquid fertilizer and it will thank you. Go easy on anything heavy in nitrogen, though, since that pushes the plant to make leaves at the expense of the flowers you are waiting for, and a lighter touch keeps the blooms coming.
Pruning
There is no real pruning to fuss over, which takes one worry off your plate entirely. Simply deadhead the spent flowers as they fade, and when the whole plant finishes for the season, let the foliage die back on its own, because those fading leaves are quietly storing up the energy for next year's bloom.
Repotting
Freesia is replanted rather than repotted, so each season you begin afresh with new or stored corms and a clean slate. When a clump grows crowded and starts handing you fewer, smaller flowers, or simply outgrows its pot, that is your cue to lift and divide, and you will have plenty to plant again.
Size & spacing
Expect a plant that reaches somewhere from 12 to 24 inches (30 to 60 cm) tall with a spread of 6 to 12 inches (15 to 30 cm), a tidy size that fits almost anywhere. When you plant, tuck the corms about 1 to 2 inches apart, and they will have all the room they need to settle in and flourish.
When to plant
This little plant keeps a cool-season clock, and once you learn its rhythm it feels easy. Set your corms out from late summer into early winter, let them build through the chilly months, and you will be greeted by sweetly scented flowers from winter into early spring, roughly 10 to 12 weeks after planting.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Sow: Plant corms in pots in late summer through early winter (succession planting extends bloom)
- Plant: In zones 9-10, plant corms in fall; elsewhere grow in containers and overwinter corms indoors
- Harvest: Winter to early spring, about 10-12 weeks after planting
Hardiness
USDA hardiness zones: 9–10
Temperature: down to -7°C
Troubleshooting
Nearly every hiccup you will meet comes down to water or a couple of familiar pests, and none of it is beyond fixing. Keep a friendly eye on the corms and leaves, and you can step in at the first sign before any trouble gets a foothold.
Soft, browning corms and a collapsing plant
When corms turn soft, brown and mushy and the plant slumps over, you are almost certainly looking at corm rot, most often from overwatering or poorly draining soil, and less commonly from fusarium wilt or root rot pathogens. To confirm it, lift a corm and check for that soft brown mushy tissue in waterlogged soil. Ease up on watering right away, improve the drainage, discard any rotted corms without guilt, and replant the healthy ones in fresh, well-drained, organic-rich mix. Prevent a repeat by using a fast-draining mix with coarse sand or crushed rock and keeping a light hand at the tap. This one is serious, but caught early it is entirely recoverable.
Fix:
- Stop overwatering and improve drainage
- Discard rotted corms
- Replant healthy corms in fresh, well-drained organic-rich mix
Twisted new leaves with a sticky sheen
If fresh growth comes in distorted and twisted, the leaves feel sticky and shiny, and you spot tiny insects, you are dealing with aphids or thrips. Confirm it by looking closely at the new growth and the undersides of leaves for little clusters or slender thrips. A firm rinse with plain water knocks most of them off, and a spray of insecticidal soap handles any stragglers that keep coming back. Check your plants regularly and keep the air moving around them, and you will usually head this off before it becomes anything more than a small setback.
Fix:
- Rinse off insects with water
- Treat with insecticidal soap if infestation persists
Ragged holes and silvery trails on leaves and flowers
Chewed leaves and blooms, irregular holes, and telltale silvery slime trails appearing after watering or rain all point to slugs and snails. Confirm it by matching those irregular holes with the silvery trails, which tend to show up soon after things get wet. Head out in the evening and hand-pick the culprits, then set out bait or simple barriers to keep them at bay. To prevent more visits, steer clear of overly wet conditions and clear away the damp debris where they like to hide. This is only cosmetic damage, so there is no need to worry about your plant's survival.
Fix:
- Hand-pick slugs and snails
- Use bait or barriers around plants
Toxicity
You can welcome freesia into a home full of animals and breathe easy. The ASPCA counts it among the non-toxic bouquet flowers, with no reports of genuine poisoning in pets or livestock, and the worst a curious nibbler might feel is a brief, mild bout of stomach upset.
Safe for
People · Cats · Dogs · Horses · Rabbits · Livestock · Birds
Cats None
There is nothing toxic in the leaves, flowers or corms for cats, so a nibble at worst brings a brief, mild tummy upset like any plant outside their usual diet.
Dogs None
Dogs face no poisoning risk here, and the most you might see is a little drooling or a loose stool after they eat something they shouldn't have.
Horses Safe
Horses have no known toxins to fear from freesia, and a mouthful of foliage passes through with at most a passing digestive grumble.
Rabbits Safe
Rabbits are not at risk, since nothing here is poisonous, though a sudden large helping of any new green can loosen the gut, so introduce it slowly.
Livestock Safe
Cattle, goats and sheep get no poisoning from grazing the foliage, though unfamiliar plant material can bring on mild, short-lived upset in any animal.
Birds Safe
Freesia poses no toxic threat to pet or backyard birds, and nothing about it calls for keeping a feathered friend away.
People Safe
It is not poisonous to people, which is exactly why it turns up so often in cut bouquets, and while it is not grown to be eaten, a stray bit does no harm.
Non-toxic, but ingestion of plant material that is not part of a pet's normal diet may cause mild stomach upset.
Varieties
Freesia arrives in a lovely range of colors, so you can pick whatever suits your mood. A handful of named cultivars turn up again and again, and any of them makes a gentle place to begin.
Royal Blue
Royal Blue is a blue-flowered cultivar, offering a color that shows up only rarely among the warmer freesia shades.
Golden Passion
Golden Passion is a gold-to-yellow form treasured above all else for its strong, sweet fragrance.
White River
White River is a white-flowered cultivar, and white forms are said to carry the richest scent of them all.
Red Lion
Red Lion is a red-flowered cultivar that brings the boldest splash of color to any freesia planting.
How to propagate
Making more freesia is genuinely simple, which is wonderful news for a first-timer. You can gently split the corms you already have, or simply start fresh with a new bag, and either path works beautifully.
Offsets & pupsEasy
Lift and separate offset cormels when foliage yellows and the plant goes dormant · Replant and bloom the following season (about 10-12 weeks after replanting)
Dividing corms and their offsets is the easiest, most dependable route, and a lovely place to start. Wait for the foliage to yellow and the plant to go dormant, then lift the whole clump and gently pull apart the small cormels gathered around the parent. Replant them in the next cycle and you can expect flowers about 10 to 12 weeks later.
Bulbs & cormsEasy
Plant corms in late summer through early winter for winter to early spring bloom · Flowers normally appear 10-12 weeks after planting
Starting from a bag of bought corms is every bit as simple and just as rewarding. Set each one 1 to 2 inches deep and 1 to 2 inches apart with the pointed end facing up, into a well-drained mix, any time from late summer through early winter. Blooms follow in about 10 to 12 weeks, arriving through winter into early spring.
SeedModerate
Sow seed in the growing season · Seed-grown plants take 1-2 years to reach flowering size
Growing from seed does work, though it asks for patience. Sow during the growing season and give the plants 1 to 2 years to reach flowering size. Since that is a good deal slower than simply dividing corms, few home gardeners take this path, and you are in fine company skipping it.
Myths
Freesia Corms Can Stay In The Ground Year-Round In Any Climate
Freesia is frost-tender and truly hardy only in USDA zones 9 to 10. Anywhere colder, you will need to lift and store the corms, or grow them in containers and overwinter them indoors, because a hard freeze will finish them off. Match your approach to your climate and the corms will keep coming back for you.
Freesia Is Poisonous To Cats And Dogs
The ASPCA actually lists freesia among its non-toxic bouquet flowers, and it is not reported to harm pets. A curious nibble might bring a little mild stomach upset, the same as most plants outside an animal's usual diet, which is not real poisoning. You can keep freesia in a home with pets without losing sleep over it.