Spider Flower Plant Care
Cleome spinosa Jacq.
Updated · Sources · How we source care data
Cleome spinosa, called the spiny spiderflower, is a species of flowering plant in the genus Cleome. It is native to the New World Tropics, and has been introduced to the United States, tropical Africa, the Indian Subcontinent, Vietnam, New Caledonia, and Korea.
Every 3–5 days
Full sun to partial shade
60–80°F
40–70%
At a glance
How do you care for Spider Flower?
Water Spider Flower every 3–5 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 4 months during the growing season.
Where Is the Spider Flower Native To?
- Angola
- Bangladesh
- Benin
- Bhutan
- Burkina Faso
- Burundi
- Cameroon
- Cape Verde
- Central African Republic
- Chad
- Côte d'Ivoire
- Djibouti
- DR Congo
- Equatorial Guinea
- Eritrea
- Ethiopia
- Gabon
- Ghana
- Guinea
- Guinea-Bissau
- India
- Kenya
- Liberia
- Malawi
- Maldives
- Mali
- Mauritania
- Mozambique
- Nepal
- New Caledonia
- Niger
- Nigeria
- Pakistan
- Republic of the Congo
- Rwanda
- Sao Tome and Principe
- Senegal
- Sierra Leone
- Somalia
- South Korea
- South Sudan
- Sri Lanka
- Sudan
- Tanzania
- The Gambia
- Togo
- Uganda
- United States
- Vietnam
- Zambia
- Zimbabwe
What Is the Spider Flower?
Spider Flower (Cleome spinosa) belongs to the Cleomaceae family within the Cleome genus. Spider Flower is native to the New World Tropics, and has been introduced to the United States, tropical Africa, the Indian Subcontinent, Vietnam, New Caledonia, and Korea. Spider Flower is also known as Grandmother's Hair, Spider Plant.
Spider Flower displays an upright, branching annual growth habit, reaching up to 3 ft tall with a spread of approximately 1.5 ft. Spider Flower produces showy clusters of pink, purple, or white flowers.
Leaf size: approximately 6 inches.
How Often Should You Water a Spider Flower?
Cleome spinosa requires watering every 3–5 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 3–5 days
Let soil partially dry between waterings
What Light Does the Spider Flower Need?
Spider Flower thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Spider Flower Prefer?
Cleome spinosa grows best at temperatures of 60–80°F. Spider Flower prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Spider Flower?
Well-draining soil with added compost for nutrients. Good drainage is essential for Spider Flower to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Spider Flower?
Feed Spider Flower 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 Spider Flower?
Repot annually in spring. 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 Spider Flower?
Spider Flower can be propagated through seeds. Similar propagation techniques also apply to cleome houtteana plant care, which shares the same genus.
Is the Spider Flower Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Spider Flower, 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 Spider Flower?
Spider Flower is susceptible to aphids, spider mites, whiteflies. 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 Spider Flower Need?
Spider Flower grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Spider Flower is native to the New World Tropics, and has been introduced to the United States, tropical Africa, the Indian Subcontinent, Vietnam, New Caledonia, and Korea. In cooler regions, grow Spider Flower as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Spider Flower 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 Cleome genus — compare its care with other Cleome species on PlantoScan.
Cleome is part of the Cleomaceae plant family — browse all Cleomaceae genera and species.
Spider Flower thrives in bright light and direct sun — see other bright-light plants.
More Cleome Species
Other Cleome species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Cleome spinosa Jacq., family Cleomaceae (first published in Enum. Syst. Pl. : 26 (1760)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Spider Flower, 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 13a, 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.
