North America Native Plant

Greek Valerian

Botanical name: Polemonium reptans

USDA symbol: PORE2

Life cycle: perennial

Habit: subshrub

Native status: Native to Canada âš˜ Native to the lower 48 states  

Greek Valerian: A Charming Native Wildflower for Shade Gardens If you’re looking for a delicate spring bloomer that thrives in shade, Greek valerian (Polemonium reptans) might just be the perfect addition to your native garden. This charming perennial wildflower brings soft blue blooms and feathery foliage to woodland settings, creating ...

Rare plant alert!

Region: New Jersey

Status: Endangered, Listed Pinelands, Highlands Listed, S1: New Jersey Highlands region ⚘ New Jersey Pinelands region ⚘ Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Greek Valerian: A Charming Native Wildflower for Shade Gardens

If you’re looking for a delicate spring bloomer that thrives in shade, Greek valerian (Polemonium reptans) might just be the perfect addition to your native garden. This charming perennial wildflower brings soft blue blooms and feathery foliage to woodland settings, creating a naturalized look that both you and local pollinators will love.

What is Greek Valerian?

Greek valerian is a native North American perennial herb that belongs to the phlox family. Despite its common name, this plant has no connection to Greece – it’s as American as apple pie! This low-growing forb produces delicate, bell-shaped flowers in shades of blue to lavender, held above attractive compound leaves that give the plant a soft, feathery appearance.

Where Does Greek Valerian Grow Naturally?

This versatile native has quite an impressive range across North America. You’ll find Greek valerian growing naturally from southeastern Canada down to Georgia and as far west as Kansas and Minnesota. It thrives in states including Alabama, Arkansas, Connecticut, Delaware, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Dakota, Tennessee, Vermont, Virginia, West Virginia, and Wisconsin, plus Ontario and Quebec in Canada.

A Note About Rarity

While Greek valerian has a wide natural range, it’s worth noting that this species is considered endangered in New Jersey, where it has a rarity status of S1 (critically imperiled). If you live in New Jersey or other areas where the plant may be uncommon, make sure to purchase your plants from reputable nurseries that ethically source their native plants rather than collecting from wild populations.

Why Grow Greek Valerian?

There are plenty of reasons to fall in love with this native beauty:

  • Early spring color: Greek valerian blooms in late spring to early summer when many shade plants are just getting started
  • Pollinator magnet: The flowers attract bees, butterflies, and other beneficial insects
  • Low maintenance: Once established, this plant pretty much takes care of itself
  • Adaptable: It can handle various moisture levels, from dry to moderately wet conditions
  • Natural spreader: Greek valerian self-seeds readily, creating lovely naturalized colonies over time

Perfect Garden Companions

Greek valerian shines in woodland gardens, shade borders, and naturalized areas. It pairs beautifully with other native shade lovers like wild ginger, bloodroot, trout lily, and ferns. The plant works wonderfully as a groundcover in areas where grass struggles to grow, and its soft texture provides a nice contrast to plants with broader leaves.

Growing Conditions and Care

The great news about Greek valerian is that it’s remarkably easy to grow. Here’s what this adaptable native prefers:

  • Light: Partial to full shade (morning sun with afternoon shade is ideal)
  • Soil: Well-draining soil that retains some moisture; tolerates various soil types
  • Water: Moderate moisture; can handle both somewhat dry and occasionally wet conditions
  • Hardiness: Thrives in USDA zones 3-8

Planting and Care Tips

Getting Greek valerian established in your garden is straightforward:

  • Plant in spring or fall when temperatures are cool
  • Space plants about 12-18 inches apart
  • Add organic mulch around plants to retain moisture and suppress weeds
  • Don’t worry if plants go dormant during hot summer weather – they’ll bounce back in fall
  • Allow some flowers to go to seed if you want the plant to naturalize
  • Minimal fertilization needed – these plants prefer lean conditions

What to Expect

Greek valerian typically grows 12-18 inches tall and spreads slowly to form small colonies. The compound leaves emerge early in spring, followed by loose clusters of blue to lavender bell-shaped flowers. After blooming, the plant may go semi-dormant during the hottest part of summer, especially in warmer climates, but will often produce fresh growth in fall.

This native wildflower is perfect for gardeners who want to support local ecosystems while adding gentle beauty to shaded areas. With its low-maintenance nature and ability to self-seed, Greek valerian can become a cherished part of your native garden for years to come.

Greek Valerian

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 reptans L. - Greek valerian

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