North America Native Plant

Whitethroat

Botanical name: Dasynotus

USDA symbol: DASYN

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Whitethroat (Dasynotus): A Mysterious Native Forb Worth Investigating If you’ve stumbled upon the name whitethroat or its botanical name Dasynotus while researching native plants, you’ve discovered one of the more enigmatic entries in North American flora. This perennial forb represents a fascinating puzzle for native plant enthusiasts and gardeners alike. ...

Whitethroat (Dasynotus): A Mysterious Native Forb Worth Investigating

If you’ve stumbled upon the name whitethroat or its botanical name Dasynotus while researching native plants, you’ve discovered one of the more enigmatic entries in North American flora. This perennial forb represents a fascinating puzzle for native plant enthusiasts and gardeners alike.

What is Whitethroat?

Whitethroat (Dasynotus) is classified as a native perennial forb found in the lower 48 states. As a forb, it’s an herbaceous plant without significant woody tissue—think of it as falling somewhere between what most people call wildflowers and weeds, though in the botanical world, these distinctions are much more nuanced and interesting.

Being a perennial means this plant returns year after year, developing a root system that survives through winter to sprout again in spring. This makes it potentially valuable for gardeners looking to establish long-term native plantings that require less annual replanting.

Where Does Whitethroat Grow?

Currently, Dasynotus is documented as growing in Idaho, though its full native range may extend beyond what’s currently recorded. Idaho’s diverse ecosystems—from high desert to mountain meadows—suggest this plant could be adapted to a variety of growing conditions.

The Challenge with Growing Whitethroat

Here’s where things get interesting (and a bit frustrating): Dasynotus appears to be one of those plants that has somehow slipped through the cracks of modern horticultural knowledge. While it’s listed in some botanical databases, detailed information about its appearance, growing requirements, and garden performance is remarkably scarce.

This scarcity of information presents both challenges and opportunities for adventurous gardeners:

  • You won’t find seeds or plants readily available through typical nursery channels
  • Growing requirements remain largely unknown
  • Its garden performance and aesthetic value are mysteries
  • Pollinator and wildlife benefits haven’t been documented

Should You Try Growing Whitethroat?

The honest answer is: it’s complicated. Without knowing basic details like mature size, flowering characteristics, soil preferences, or hardiness zones, recommending this plant for your garden would be irresponsible.

However, if you’re the type of gardener who loves botanical mysteries and you happen to live in Idaho or surrounding areas, you might consider:

  • Connecting with local native plant societies to see if anyone has encountered this species
  • Reaching out to university extension offices or botanical gardens in Idaho
  • Exploring whether this might be a regional common name for a better-known species

Alternative Native Forbs to Consider

While we wait for more information about Dasynotus to surface, consider these well-documented native perennial forbs that might fill a similar niche in your garden:

  • Wild bergamot (Monarda fistulosa) – excellent for pollinators
  • Purple coneflower (Echinacea purpurea) – reliable and beautiful
  • Black-eyed Susan (Rudbeckia species) – bright and cheerful
  • Native asters – late-season pollinator magnets

The Bottom Line

Whitethroat (Dasynotus) represents one of those intriguing gaps in our horticultural knowledge. While its status as a native perennial forb makes it theoretically interesting for native plant gardens, the lack of practical growing information makes it impossible to recommend with confidence.

If you’re passionate about native plants and botanical detective work, this species might warrant further investigation. For most gardeners, however, focusing on well-documented native alternatives will provide more reliable results and greater satisfaction.

Have you encountered Dasynotus in the wild or have information about this mysterious plant? We’d love to hear from fellow plant enthusiasts who might help solve this botanical puzzle!

Whitethroat

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

Lamiales

Family

Boraginaceae Juss. - Borage family

Genus

Dasynotus I.M. Johnst. - whitethroat

Species

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