Simpleleaf Astilbe Plant Care

Astilbe simplicifolia Makino

Updated · Sources · How we source care data

Astilbe simplicifolia, the entire-leaved astilbe, is a species of flowering plant in the family Saxifragaceae native to Japan and North Korea. It is a perennial herb that grows up to 1–1.5 ft (0.30–0.46 m) tall.

🌼Perennials
Water

Every 3–4 days

Light

Part shade to full shade

Temp

60–75°F

Humidity

50–70%

At a glance

How do you care for Simpleleaf Astilbe?

Water Simpleleaf Astilbe every 3–4 days, letting the top layer of soil dry out between waterings, and give it part shade to full shade. It prefers temperatures of 60–75°F (16–24°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.

Where Is the Simpleleaf Astilbe Native To?

Native range2 countries

What Is the Simpleleaf Astilbe?

Simpleleaf Astilbe (Astilbe simplicifolia) belongs to the Saxifragaceae family within the Astilbe genus. Simpleleaf Astilbe is native to Japan and North Korea.

Simpleleaf Astilbe displays a clumping perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Simpleleaf Astilbe produces feathery plume-like flowers in various colors like pink, red, white, and lavender.

Leaf size: approximately 12 inches.

How Often Should You Water a Simpleleaf Astilbe?

Astilbe simplicifolia requires watering every 3–4 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 3–4 days

Let soil partially dry between waterings

What Light Does the Simpleleaf Astilbe Need?

Simpleleaf Astilbe thrives in part shade to full shade. The optimal light range is 100–1,000 lux. Avoid placing Simpleleaf Astilbe 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 Simpleleaf Astilbe Prefer?

Astilbe simplicifolia grows best at temperatures of 60–75°F. Simpleleaf Astilbe prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

60–75°F

Humidity

50–70%

What Soil Mix Works Best for a Simpleleaf Astilbe?

Rich, moist, well-draining soil with high organic content. Good drainage is essential for Simpleleaf Astilbe to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Simpleleaf Astilbe?

Feed Simpleleaf Astilbe every 6 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 6 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 Simpleleaf Astilbe?

Divide and replant every 3-4 years. 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 Simpleleaf Astilbe?

Simpleleaf Astilbe can be propagated through division of clumps, seeds. Similar propagation techniques also apply to astilbe plant care, which shares the same genus.

Is the Simpleleaf Astilbe Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Simpleleaf Astilbe, 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 Simpleleaf Astilbe?

Simpleleaf Astilbe is susceptible to slugs, snails, 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 Simpleleaf Astilbe Need?

Simpleleaf Astilbe grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Simpleleaf Astilbe is native to Japan and North Korea. In cooler regions, grow Simpleleaf Astilbe as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Simpleleaf Astilbe 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 Astilbe genus — compare its care with other Astilbe species on PlantoScan.

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

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

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Astilbe simplicifolia Makino, family Saxifragaceae (first published in Bot. Mag. (Tokyo) 7: 103 (1893)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Simpleleaf Astilbe, 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.

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