Giant Freesia Plant Care
Freesia grandiflora Klatt
Updated · Sources · How we source care data
Freesia grandiflora, previously known as Anomatheca grandiflora or Lapeirousia grandiflora, now commonly known as the large-flowered freesia, is a species of flowering plant in the family Iridaceae. Native to Southern Africa, this species is a popular ornamental plant due to its fragrant flowers and attractive appearance.
Every 7–10 days
Full sun to partial shade
50–75°F
40–60%
At a glance
How do you care for Giant Freesia?
Water Giant Freesia every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 4 months during the growing season.
Where Is the Giant Freesia Native To?
What Is the Giant Freesia?
Giant Freesia (Freesia grandiflora) belongs to the Iridaceae family within the Freesia genus. Giant Freesia is native to Southern Africa, this species is a popular ornamental plant due to its fragrant flowers and attractive appearance.
Giant Freesia displays an upright, clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 0.5 ft. Giant Freesia produces fragrant funnel-shaped flowers in various colors like white, yellow, pink, and purple.
Leaf size: approximately 12 inches.
How Often Should You Water a Giant Freesia?
Freesia grandiflora requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Giant Freesia Need?
Giant Freesia thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Giant Freesia Prefer?
Freesia grandiflora grows best at temperatures of 50–75°F. Giant Freesia prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Giant Freesia?
Well-draining sandy loam with added organic matter for nutrients. Good drainage is essential for Giant Freesia to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Giant Freesia?
Feed Giant Freesia every 4 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 4 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Giant Freesia?
Repot every 1-2 years after flowering. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Giant Freesia?
Giant Freesia can be propagated through corm division, seeds. Similar propagation techniques also apply to freesia plant care, which shares the same genus.
Is the Giant Freesia Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Giant Freesia, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Giant Freesia?
Giant Freesia is susceptible to aphids, thrips, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Giant Freesia Need?
Giant Freesia grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Giant Freesia is native to Southern Africa, this species is a popular ornamental plant due to its fragrant flowers and attractive appearance. In cooler regions, grow Giant Freesia as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Giant Freesia is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Freesia genus — compare its care with other Freesia species on PlantoScan.
Freesia is part of the Iridaceae plant family — browse all Iridaceae genera and species.
Giant Freesia thrives in bright light and direct sun — see other bright-light plants.
More Freesia Species
Other Freesia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Freesia grandiflora Klatt, family Iridaceae (first published in Consp. Fl. Afric. 5: 187 (1894)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Giant Freesia, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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