North America Native Plant

Jacob’s-ladder

Botanical name: Polemonium pulcherrimum delicatum

USDA symbol: POPUD3

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Polemonium delicatum Rydb. (PODE4)  âš˜  Polemonium delicatum Rydb. ssp. scopulinum (Greene) Wherry (PODES2)  âš˜  Polemonium delicatum Rydb. ssp. typicum Wherry (PODET)  âš˜  Polemonium pulcherrimum Hook. var. delicatum (Rydb.) Cronquist (POPUD2)   

Growing Jacob’s-Ladder: A Delicate Native Beauty for Your Garden If you’re looking for a charming native plant that brings both delicate beauty and ecological value to your garden, Jacob’s-ladder (Polemonium pulcherrimum delicatum) might just be your new favorite discovery. This lovely perennial forb offers a perfect blend of ornamental appeal ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Growing Jacob’s-Ladder: A Delicate Native Beauty for Your Garden

If you’re looking for a charming native plant that brings both delicate beauty and ecological value to your garden, Jacob’s-ladder (Polemonium pulcherrimum delicatum) might just be your new favorite discovery. This lovely perennial forb offers a perfect blend of ornamental appeal and wildlife benefits, making it an excellent choice for gardeners who want to support local ecosystems while creating stunning landscapes.

What Makes Jacob’s-Ladder Special?

Jacob’s-ladder gets its common name from its distinctive foliage, which features finely divided leaflets arranged like rungs on a ladder. This native perennial produces clusters of small, tubular flowers in shades of blue to purple, creating a delightful display that catches the eye without overwhelming other plants in your garden.

As a true native of the American West, this species has evolved alongside local wildlife and is perfectly adapted to regional growing conditions. You’ll find it naturally occurring across Arizona, Colorado, Nevada, New Mexico, Utah, and Wyoming, where it thrives in mountainous terrain.

Why Choose This Native Beauty?

There are several compelling reasons to consider adding Jacob’s-ladder to your garden:

  • Pollinator magnet: The small, nectar-rich flowers attract native bees, butterflies, and other beneficial insects
  • Low maintenance: Once established, this hardy perennial requires minimal care
  • Drought tolerant: Perfect for water-wise gardening in western climates
  • Ecological value: Supports local wildlife and helps preserve regional biodiversity
  • Unique texture: The ladder-like foliage adds interesting texture to plant combinations

Perfect Garden Companions

Jacob’s-ladder shines in rock gardens, alpine collections, and native plant landscapes. Its compact, herbaceous growth habit makes it an excellent ground cover or accent plant. Consider pairing it with other native wildflowers, ornamental grasses, or drought-tolerant perennials for a naturalistic look that celebrates your region’s native flora.

This plant works particularly well in:

  • Rock gardens and alpine settings
  • Native plant gardens
  • Wildflower meadows
  • Water-wise landscapes
  • Naturalized areas

Growing Conditions and Care

Success with Jacob’s-ladder comes down to understanding its mountain origins. This plant thrives in USDA hardiness zones 3-7, making it suitable for areas with cold winters and moderate summers.

Ideal growing conditions include:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil is essential; avoid heavy clay or waterlogged conditions
  • Water: Moderate water during establishment, then drought tolerant
  • Temperature: Benefits from cool conditions and winter chill

Planting and Care Tips

Getting started with Jacob’s-ladder is straightforward when you follow these guidelines:

  • Plant in spring or fall when temperatures are moderate
  • Ensure excellent drainage – this is the most critical factor for success
  • Water regularly during the first growing season to establish roots
  • Once established, reduce watering frequency
  • Mulch lightly around plants to conserve moisture and suppress weeds
  • Avoid fertilizing, as rich soils can cause weak, floppy growth

Conservation Considerations

While Jacob’s-ladder isn’t considered critically rare, it does have a conservation status that gardeners should be aware of. When sourcing this plant, always choose reputable nurseries that offer responsibly propagated material rather than wild-collected plants. By growing native species from ethical sources, you’re contributing to conservation efforts while enjoying their beauty in your own landscape.

The Bottom Line

Jacob’s-ladder offers gardeners a wonderful opportunity to grow a truly native species that supports local ecosystems while providing lasting beauty. Its delicate flowers, interesting foliage, and low-maintenance nature make it a valuable addition to western gardens. Whether you’re creating a rock garden masterpiece or establishing a native plant haven, this charming perennial deserves a place in your landscape plans.

Remember, when you choose native plants like Jacob’s-ladder, you’re not just gardening – you’re participating in the preservation of your region’s natural heritage while creating habitat for the creatures that call your area home.

Jacob’s-ladder

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Polemoniaceae Juss. - Phlox family

Genus

Polemonium L. - Jacob's-ladder

Species

Polemonium pulcherrimum Hook. - Jacob's-ladder

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA