Little Alumroot Plant Care

Heuchera pulchella Wooton & Standl.

Updated · Sources · How we source care data

Heuchera pulchella, the Sandia Mountain alumroot or Sandia Mountain coral-bells, is a plant species endemic to central New Mexico, mostly in the Manzano and Sandia Mountains, but cultivated as an ornamental elsewhere. It grows in canyons and on steep mountain slopes in Torrance, Bernalillo, and Sandoval Counties at elevations of 2700–3200 m.

🌼Perennials
Water

Every 7–10 days

Light

Part shade to full shade

Temp

50–75°F

Humidity

40–60%

At a glance

How do you care for Little Alumroot?

Plant Little Alumroot in part shade to full shade (USDA zones 12a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 50–75°F (10–24°C). Fertilize it every 6 months during the growing season.

Where Is the Little Alumroot Native To?

Native range1 country

What Is the Little Alumroot?

Little Alumroot (Heuchera pulchella) belongs to the Saxifragaceae family within the Heuchera genus. Little Alumroot is native to central New Mexico, mostly in the Manzano and Sandia Mountains.

Little Alumroot displays a compact mounds, spreading clumps growth habit, reaching up to 1 ft tall with a spread of approximately 1.5 ft. Little Alumroot produces delicate, bell-shaped flowers on slender stems in various colors.

Leaf size: approximately 4 inches.

How Often Should You Water a Little Alumroot?

Water a young or newly planted Little Alumroot every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Watering Frequency

Every 7–10 days

Until established; then in dry spells

What Light Does the Little Alumroot Need?

Little Alumroot thrives in part shade to full shade. The optimal light range is 100–1,000 lux. Avoid placing Little Alumroot in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Part shade to full shade

100–1,000 lux

What Temperature and Humidity Does the Little Alumroot Prefer?

Heuchera pulchella tolerates temperatures of 50–75°F. Little Alumroot prefers humidity levels of 40–60%.

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Little Alumroot?

Well-draining, humus-rich soil with added compost or peat moss. Good drainage is essential for Little Alumroot to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Little Alumroot?

Feed Little Alumroot every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

Fertilizing

Every 6 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

Where Should You Plant a Little Alumroot?

Choose a spot with part shade to full shade and well-draining, humus-rich soil with added compost or peat moss. Avoid low spots where water collects after rain.

Little Alumroot is suited to USDA Zone 12a.

Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.

How Far Apart Should You Plant a Little Alumroot?

Little Alumroot can spread to about 2 ft (0.5 m) and reach about 1 ft (0 m) tall. Space plants about 2 ft (0.5 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the plant spacing calculator.

How Do You Prune a Little Alumroot?

Prune Little Alumroot while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.

How Do You Care for a Little Alumroot in Winter?

Little Alumroot is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

How Do You Propagate a Little Alumroot?

Little Alumroot can be propagated through division, seeds. Similar propagation techniques also apply to coral bells plant care, which shares the same genus.

Is the Little Alumroot Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Little Alumroot, 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 Little Alumroot?

Little Alumroot is susceptible to aphids, spider mites, vine weevils. 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 Little Alumroot Need?

Little Alumroot grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Little Alumroot is native to central New Mexico, mostly in the Manzano and Sandia Mountains. In cooler regions, grow Little Alumroot as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Little Alumroot 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 Heuchera genus — compare its care with other Heuchera species on PlantoScan.

Heuchera is part of the Saxifragaceae plant family — browse all Saxifragaceae genera and species.

Little Alumroot copes with lower light than most plants — browse the full list of low-light plants.

More Heuchera Species

Other Heuchera species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Heuchera pulchella Wooton & Standl., family Saxifragaceae (first published in Contr. U.S. Natl. Herb. 16: 130 (1913)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Little Alumroot, 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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