Newberry's Yucca Plant Care
Hesperoyucca newberryi (McKelvey) Clary
Updated · Sources · How we source care data
Hesperoyucca newberryi, commonly known as the Grand Canyon Quixote plant or Newberry's yucca, is a plant species endemic to Arizona. It is found only in Mohave and Coconino Counties, on the walls of canyons near the Colorado River.
Every 14–21 days
Full sun to partial shade
50–90°F
20–60%
At a glance
How do you care for Newberry's Yucca?
Water Newberry's Yucca every 14–21 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–90°F (10–32°C) and 20–60% humidity. Fertilize it every 8 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
Where Is the Newberry's Yucca Native To?
What Is the Newberry's Yucca?
Newberry's Yucca (Hesperoyucca newberryi) belongs to the Asparagaceae family within the Hesperoyucca genus. Newberry's Yucca is native to Arizona. Newberry's Yucca is also known as Newberry's Hesperoyucca.
Newberry's Yucca displays a rosette-forming succulent growth habit, reaching up to 4 ft tall with a spread of approximately 3 ft. Newberry's Yucca produces creamy white bell-shaped flowers on tall stalks.
Leaf size: approximately 18 inches.
How Often Should You Water a Newberry's Yucca?
Hesperoyucca newberryi 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 Newberry's Yucca Need?
Newberry's Yucca thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Newberry's Yucca Prefer?
Hesperoyucca newberryi grows best at temperatures of 50–90°F. Newberry's Yucca prefers humidity levels of 20–60%.
Temperature
50–90°F
Humidity
20–60%
What Soil Mix Works Best for a Newberry's Yucca?
Sandy, well-draining soil mix with gravel and perlite. Good drainage is essential for Newberry's Yucca to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Newberry's Yucca?
Feed Newberry's Yucca 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 Newberry's Yucca?
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 Newberry's Yucca?
Newberry's Yucca can be propagated through offsets, seeds. Similar propagation techniques also apply to whipple's yucca plant care, which shares the same genus.
Is the Newberry's Yucca Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
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 Newberry's Yucca?
Newberry's Yucca is susceptible to aphids, 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 Newberry's Yucca Need?
Newberry's Yucca grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Newberry's Yucca is native to Arizona. In cooler regions, grow Newberry's Yucca as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Newberry's Yucca 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 Hesperoyucca genus — compare its care with other Hesperoyucca species on PlantoScan.
Hesperoyucca is part of the Asparagaceae plant family — browse all Asparagaceae genera and species.
Newberry's Yucca thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Hesperoyucca newberryi (McKelvey) Clary, family Asparagaceae (first published in Sida 19(4): 845 (2001).) — World Flora Online record, IPNI name record.
- Pet toxicity: Newberry's Yucca is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. 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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