Giant Hedgehog Cactus Plant Care
Echinocereus grandis Britton & Rose
Updated · Sources · How we source care data
Echinocereus grandis is a species of cactus native to Mexico.
Every 14–21 days
Full sun
50–90°F
10–40%
At a glance
How do you care for Giant Hedgehog Cactus?
Water Giant Hedgehog Cactus every 14–21 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 50–90°F (10–32°C) and 10–40% humidity. Fertilize it every 8 months during the growing season.
Where Is the Giant Hedgehog Cactus Native To?
What Is the Giant Hedgehog Cactus?
Giant Hedgehog Cactus (Echinocereus grandis) belongs to the Cactaceae family within the Echinocereus genus. Giant Hedgehog Cactus is native to Mexico.
Giant Hedgehog Cactus displays a low clumping cactus growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Giant Hedgehog Cactus produces brightly colored funnel-shaped flowers.
How Often Should You Water a Giant Hedgehog Cactus?
Echinocereus grandis requires watering every 14–21 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 14–21 days
Let soil partially dry between waterings
What Light Does the Giant Hedgehog Cactus Need?
Giant Hedgehog Cactus thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Giant Hedgehog Cactus Prefer?
Echinocereus grandis grows best at temperatures of 50–90°F. Giant Hedgehog Cactus prefers humidity levels of 10–40%.
Temperature
50–90°F
Humidity
10–40%
What Soil Mix Works Best for a Giant Hedgehog Cactus?
Sandy, well-draining cactus mix with perlite and coarse sand. Good drainage is essential for Giant Hedgehog Cactus to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Giant Hedgehog Cactus?
Feed Giant Hedgehog Cactus every 8 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 8 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 Hedgehog Cactus?
Repot every 2-3 years in early 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 Giant Hedgehog Cactus?
Giant Hedgehog Cactus can be propagated through seeds, offsets, stem cuttings. Similar propagation techniques also apply to claret cup cactus plant care, which shares the same genus.
Is the Giant Hedgehog Cactus Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Giant Hedgehog Cactus, 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 Hedgehog Cactus?
Giant Hedgehog Cactus is susceptible to spider mites, scale insects. 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 Hedgehog Cactus Need?
Giant Hedgehog Cactus grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Giant Hedgehog Cactus is native to Mexico. In cooler regions, grow Giant Hedgehog Cactus as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Giant Hedgehog Cactus 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 Echinocereus genus — compare its care with other Echinocereus species on PlantoScan.
Echinocereus is part of the Cactaceae plant family — browse all Cactaceae genera and species.
Giant Hedgehog Cactus thrives in bright light and direct sun — see other bright-light plants.
More Echinocereus Species
Other Echinocereus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Echinocereus grandis Britton & Rose, family Cactaceae (first published in Cactaceae 3: 18. 1922.) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Giant Hedgehog Cactus, 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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