North America Native Plant

Whisperingbells

Botanical name: Emmenanthe penduliflora var. penduliflora

USDA symbol: EMPEP

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Whisperingbells: A Charming Desert Annual for Water-Wise Gardens If you’re looking for a delicate, drought-tolerant annual that adds subtle charm to your desert or water-wise garden, whisperingbells (Emmenanthe penduliflora var. penduliflora) might just be the perfect plant for you. This lovely native forb brings a touch of whimsy to southwestern ...

Whisperingbells: A Charming Desert Annual for Water-Wise Gardens

If you’re looking for a delicate, drought-tolerant annual that adds subtle charm to your desert or water-wise garden, whisperingbells (Emmenanthe penduliflora var. penduliflora) might just be the perfect plant for you. This lovely native forb brings a touch of whimsy to southwestern landscapes with its drooping, bell-shaped flowers that seem to dance in the slightest breeze.

What Makes Whisperingbells Special?

Whisperingbells is a true southwestern native, naturally occurring across Arizona, California, Nevada, and Utah. As an annual forb, it completes its entire life cycle in a single growing season, making it a fantastic choice for gardeners who enjoy seasonal variety and natural succession in their landscapes.

This charming plant gets its common name from its distinctive pendant flowers that hang like tiny bells, creating a gentle, almost musical quality when they sway in desert breezes. The cream to pale yellow blooms are small but numerous, creating a subtle yet captivating display.

Why Grow Whisperingbells in Your Garden?

There are several compelling reasons to consider adding whisperingbells to your native plant collection:

  • Water-wise choice: As a desert native, it thrives with minimal water once established
  • Supports local wildlife: Provides nectar for native bees and other small pollinators
  • Low maintenance: Requires little care once planted in appropriate conditions
  • Authentic to region: Helps create genuine southwestern ecosystems
  • Self-seeding: Often returns the following year without replanting

Ideal Garden Settings

Whisperingbells works beautifully in several garden styles:

  • Desert gardens: Perfect for authentic southwestern landscapes
  • Xeriscapes: Excellent for water-conserving garden designs
  • Native plant gardens: Essential for regional native plant collections
  • Wildflower meadows: Adds delicate texture to naturalistic plantings
  • Rock gardens: Softens harsh hardscape elements

Growing Conditions and Care

Success with whisperingbells comes from mimicking its natural desert habitat:

Sun and Soil: Plant in full sun to partial shade with excellent drainage. Sandy or rocky soils work best, as heavy clay can cause root rot.

Water Requirements: While drought-tolerant once established, provide moderate water during germination and early growth. Avoid overwatering, especially during hot summer months.

Climate Zones: Best suited for USDA hardiness zones 8-11, where winters are mild and summers are hot and dry.

Planting and Propagation Tips

Getting whisperingbells established in your garden is relatively straightforward:

  • Timing: Direct seed in fall for spring germination, mimicking natural patterns
  • Soil preparation: Ensure excellent drainage; amend heavy soils with sand or gravel
  • Spacing: Scatter seeds naturally rather than in rows for a more authentic look
  • Maintenance: Allow plants to self-seed for future seasons

Supporting Pollinators and Wildlife

While small in stature, whisperingbells punches above its weight when it comes to supporting local ecosystems. The flowers attract native bees and other small pollinators, making it a valuable addition to pollinator-friendly gardens. Its seeds may also provide food for small birds and other wildlife.

Is Whisperingbells Right for Your Garden?

Whisperingbells is an excellent choice if you’re gardening in the Southwest and want to create authentic, water-wise landscapes. It’s particularly well-suited for gardeners who appreciate subtle beauty over flashy displays and who want to support local ecosystems with native plants.

However, if you’re looking for long-lasting perennials or plants with bold, showy flowers, whisperingbells might not be your best choice. Its beauty lies in its delicate, understated charm rather than dramatic garden impact.

For southwestern gardeners committed to native plants and sustainable landscaping practices, whisperingbells offers a perfect combination of authentic regional character, wildlife value, and low-maintenance beauty. Give this charming desert annual a try, and you might find yourself enchanted by its gentle presence in your garden.

Whisperingbells

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

Hydrophyllaceae R. Br. - Waterleaf family

Genus

Emmenanthe Benth. - whisperingbells

Species

Emmenanthe penduliflora Benth. - whisperingbells

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