North America Native Plant

Hooker Bugseed

Botanical name: Corispermum hookeri

USDA symbol: COHO3

Life cycle: annual

Habit: forb

Native status: Native to Canada  

Hooker Bugseed: A Humble Native Worth Knowing If you’re looking for a showstopper that’ll have your neighbors oohing and ahhing over the fence, Hooker bugseed (Corispermum hookeri) probably isn’t your plant. But if you’re interested in supporting native ecosystems and adding some authentic prairie character to your garden, this unassuming ...

Hooker Bugseed: A Humble Native Worth Knowing

If you’re looking for a showstopper that’ll have your neighbors oohing and ahhing over the fence, Hooker bugseed (Corispermum hookeri) probably isn’t your plant. But if you’re interested in supporting native ecosystems and adding some authentic prairie character to your garden, this unassuming little annual might just earn a spot in your landscape.

What is Hooker Bugseed?

Hooker bugseed is a native Canadian annual forb – basically, a non-woody herbaceous plant that completes its entire life cycle in one growing season. Don’t let the somewhat unfortunate common name fool you; this plant has nothing to do with actual bugs or seeds that look like bugs. The bugseed name comes from the small, flattened fruits that some folks think resemble tiny insects.

As an annual, this plant grows from seed each spring, flowers, sets seed, and dies with the first hard frost. It’s part of the natural prairie and boreal forest understory, playing its role in the complex web of native plant communities.

Where Does It Call Home?

Hooker bugseed is a true Canadian native, naturally occurring across western and central Canada. You’ll find it growing wild in Alberta, British Columbia, Manitoba, Ontario, Saskatchewan, and the Northwest Territories. This wide distribution tells us it’s a pretty adaptable little plant that can handle various conditions across different climate zones.

Should You Plant It?

Let’s be honest – Hooker bugseed won’t win any beauty contests. Its aesthetic appeal is, shall we say, subtle. The plant produces small, narrow leaves and tiny, inconspicuous greenish flowers that are easily missed unless you’re really looking for them. So why would you want to grow it?

Here are some compelling reasons to consider this humble native:

  • True native heritage: Supporting plants that naturally belong in your region helps maintain local ecosystem integrity
  • Low maintenance: Once established, it requires virtually no care
  • Ecological authenticity: Perfect for prairie restoration projects or naturalized garden areas
  • Hardiness: Adapted to harsh Canadian conditions, making it extremely tough

Growing Conditions and Care

Hooker bugseed is refreshingly easy to please. It thrives in:

  • Soil: Sandy, well-draining soils (though it tolerates various soil types)
  • Sunlight: Full sun locations
  • Moisture: Average to dry conditions once established
  • Climate zones: USDA hardiness zones 2-5, making it suitable for very cold climates

The plant naturally grows in disturbed sites and open areas, so it’s quite tolerant of less-than-perfect garden conditions. It actually prefers somewhat poor soils over rich, fertile ground.

How to Grow Hooker Bugseed

Growing this native is straightforward:

  • Seeding: Direct seed in fall for natural cold stratification, or in early spring
  • Spacing: Seeds are small; scatter them lightly over prepared soil
  • Watering: Water gently until germination, then reduce watering as plants establish
  • Maintenance: Virtually none required – this plant thrives on neglect

Since it’s an annual, the plant will self-seed if conditions are right, potentially creating a naturalized colony over time.

Garden Design and Landscape Use

Hooker bugseed works best in:

  • Native plant gardens focused on regional flora
  • Prairie or meadow restoration areas
  • Naturalized sections where low-key plants are welcome
  • Educational gardens showcasing local plant diversity

Don’t expect this plant to anchor your front border or serve as a focal point. Instead, think of it as part of the supporting cast in a native plant community.

Wildlife and Pollinator Benefits

While Hooker bugseed’s flowers are wind-pollinated rather than insect-pollinated, the plant still contributes to the ecosystem. The seeds may provide food for small birds and other wildlife, though specific wildlife benefits require more research to fully understand.

The Bottom Line

Hooker bugseed isn’t for gardeners seeking dramatic blooms or striking foliage. However, if you’re passionate about native plants, interested in prairie ecology, or working on habitat restoration, this humble annual deserves consideration. It’s a plant that whispers rather than shouts – and sometimes, that quiet presence is exactly what a native landscape needs.

Consider it a small but meaningful way to support the plant communities that have called Canada home for thousands of years.

Hooker Bugseed

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

Chenopodiaceae Vent. - Goosefoot family

Genus

Corispermum L. - bugseed

Species

Corispermum hookeri Mosyakin - Hooker bugseed

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