North America Native Plant

Bolander’s Silene

Botanical name: Silene hookeri bolanderi

USDA symbol: SIHOB

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Bolander’s Silene: A Charming Native Ground Cover for West Coast Gardens If you’re looking for a delightful native ground cover that won’t demand much attention once it’s settled in, Bolander’s silene (Silene hookeri bolanderi) might just be the perfect addition to your garden. This unassuming little perennial packs a surprising ...

Bolander’s Silene: A Charming Native Ground Cover for West Coast Gardens

If you’re looking for a delightful native ground cover that won’t demand much attention once it’s settled in, Bolander’s silene (Silene hookeri bolanderi) might just be the perfect addition to your garden. This unassuming little perennial packs a surprising punch when it comes to both beauty and ecological benefits.

What Makes Bolander’s Silene Special?

Bolander’s silene is a true West Coast native, naturally occurring in the coastal regions of Northern California and Southern Oregon. As a herbaceous perennial forb, it forms low-growing mats that hug the ground, making it an excellent choice for gardeners who want to create natural-looking landscapes that mirror the region’s native plant communities.

This charming plant produces delicate white to pink flowers that may seem modest at first glance, but their understated elegance adds a soft, romantic touch to any garden space. The flowers appear in clusters above the plant’s low foliage, creating a carpet-like effect that’s both visually appealing and ecologically valuable.

Where Does Bolander’s Silene Shine in Your Garden?

This versatile native works beautifully in several garden settings:

  • Rock gardens: Its low-growing habit makes it perfect for tucking between stones and boulders
  • Native plant gardens: An authentic choice for recreating coastal California and Oregon plant communities
  • Mediterranean-style landscapes: Thrives in the well-draining conditions these gardens require
  • Ground cover applications: Excellent for covering bare spots where you want something more interesting than grass
  • Coastal gardens: Naturally adapted to maritime conditions

Growing Conditions That Make This Plant Happy

One of the best things about Bolander’s silene is that it’s relatively low-maintenance once you understand its preferences. This plant thrives in USDA hardiness zones 8-10, making it suitable for most West Coast gardeners.

Here’s what this easygoing native needs to flourish:

  • Sunlight: Full sun to partial shade (it’s quite adaptable!)
  • Soil: Well-draining soil is absolutely essential – soggy conditions are this plant’s enemy
  • Water: Drought-tolerant once established, requiring minimal supplemental watering
  • Maintenance: Very low maintenance once settled in

Planting and Care Tips for Success

Getting Bolander’s silene established in your garden is refreshingly straightforward. The key to success lies in providing excellent drainage from day one. If your soil tends to hold water, consider planting in raised beds or amending with coarse sand or gravel to improve drainage.

During the first growing season, provide regular water to help establish the root system. Once established (typically after the first year), this drought-tolerant native will be quite self-sufficient. In fact, overwatering established plants can cause more harm than good.

The plant’s naturally low-growing, mat-forming habit means you won’t need to worry about pruning or shaping. Simply let it spread naturally to create that beautiful carpet effect.

Benefits Beyond Beauty

Choosing Bolander’s silene isn’t just about aesthetics – you’re also supporting local wildlife. This native plant attracts a variety of pollinators, including native bees, butterflies, and moths. By incorporating plants like this into your landscape, you’re creating valuable habitat and food sources for the creatures that help keep our ecosystems healthy.

As a native species, Bolander’s silene has co-evolved with local wildlife over thousands of years, making it particularly valuable for supporting regional biodiversity. Plus, its low water requirements make it an excellent choice for sustainable, water-wise gardening.

Is Bolander’s Silene Right for Your Garden?

This lovely native is ideal for gardeners who appreciate subtle beauty and want to support local ecosystems without a lot of maintenance work. If you live in coastal California or Oregon and have well-draining soil, Bolander’s silene could be a wonderful addition to your plant palette.

However, if you’re looking for a plant that makes a bold statement or provides year-round structure, you might want to consider pairing this ground-hugging beauty with other native plants that offer different heights and textures. Think of Bolander’s silene as the supporting actor that helps tie your garden composition together rather than the star of the show.

Whether you’re creating a native plant garden, need a low-maintenance ground cover, or simply want to support local pollinators, Bolander’s silene offers a charming, eco-friendly solution that celebrates the natural beauty of the West Coast.

Bolander’s Silene

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Caryophyllaceae Juss. - Pink family

Genus

Silene L. - catchfly

Species

Silene hookeri Nutt. - Hooker's silene

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