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Sunflowers (*Helianthus* spp.)
Plant profile

Sunflowers

Genus Helianthus

Native sunflowers are bright, tough wildflowers in the genus Helianthus that feed pollinators and add cheerful color from mid-season into fall.

Plant Type

Wildflowers (herbaceous perennials) > Sunflowers

Aliases

Sunflower

Native Range

Native to North America (species-dependent)

Bloom window

Mid-season through fall (varies by species)

OVERVIEW

About This Plant

Native sunflowers (Helianthus spp.) are classic pollinator plants because they’re easy to notice, easy to enjoy, and often packed with flower activity. In a garden, they can act like a “beacon” that helps people spot bees and other insects up close.

If you’re planting for a schoolyard or community space, choose a sunny location where taller plants won’t block paths or signs. Many native sunflowers can grow quite tall, and some spread over time, which can be a plus in a habitat patch but a surprise in a small bed.

For the biggest impact, plant sunflowers with other native flowers that bloom earlier and later. That way, pollinators can find food across more of the season. After flowering, consider leaving some seed heads standing before you tidy up—this keeps the garden looking lively and can support wildlife interest into the cooler months.

Best role for pollinators
Pollinator patches, school gardens, sunny borders, and naturalized areas where you want bold color and lots of flower activity.
Sunflowers (Helianthus spp.)
https://www.inaturalist.org/photos/23811671 Photo: (c) Susan J. Hewitt, some rights reserved (CC BY-NC) | CC-BY-NC | iNaturalist

FAST FACTS

Quick Details

Essential stats and requirements for quick reference.

Also known asSunflower
Bloom windowMid-season through fall (varies by species)
Typical heightVaries by species; from medium to very tall
Pollinators supportedBees, Butterflies, Flies, Beetles
Light & moistureBest in sun; most do well in average garden moisture once established.
Best roles for pollinatorsPollinator patches, school gardens, sunny borders, and naturalized areas where you want bold color and lots of flower activity.

SUMMARY

If You Remember Three Things

A quick scan of what they do, what they need, and the best first step.

What they do

Native sunflowers provide abundant nectar and pollen and create a busy, easy-to-spot pollinator hotspot.

What they need

Sun, room to grow, and a spot that isn’t constantly wet.

One best action

Plant them in the sun and let the seed heads stand for a while after bloom.

IMPACT

Why Plant This?

Native sunflowers are a dependable way to add lots of pollinator-friendly blooms with a big visual payoff, making them ideal for community and school gardens.
What looks like one “sunflower” is actually a whole cluster of tiny flowers working together in a single head.

Key Impacts

What it Supports

  • Many small flowers packed into each head can keep pollinators visiting for a long time.
  • Tall stems and sturdy leaves add structure to a pollinator garden and help it look full.
  • Seed heads can be left to support wildlife and add seasonal interest.

RECOGNITION

Identification Guide

Use these quick clues to recognize native sunflowers in the garden.

Leaves

Often rough-textured and slightly hairy; shape and arrangement vary by species, but many have toothed edges.

Flowers

Bright yellow rays around a central disk; each head contains many tiny flowers.

Fruits

Seeds develop in the center disk; heads dry and can be left standing.

Sunflowers (Helianthus spp.)
https://www.inaturalist.org/photos/23811700 Photo: (c) Susan J. Hewitt, some rights reserved (CC BY-NC) | CC-BY-NC | iNaturalist
Sunflowers (Helianthus spp.)
Sunflowers (Helianthus spp.)

LOCATION

Where It Grows

Native environments and the best spots to place it in your landscape.

Habitats

  • Open sunny areas
  • Meadows and field edges
  • Prairie-like plantings
  • Roadside-style sunny strips (in gardens, not in traffic areas)

Where it is often used

  • Pollinator patch anchor plant
  • Sunny border or back-of-bed height
  • Naturalized meadow-style planting
  • Schoolyard habitat garden
  • Cut flowers (leave plenty of blooms for insects)

SEASONALITY

When It Blooms

Notes on bloom windows and how this plant helps pollinators across the seasons.

Bloom window

Native sunflowers are especially helpful when many early-season flowers are done.

Bloom Season Role: A strong mid-to-late season nectar and pollen source.

Seasonal benefits

  • Keeps nectar and pollen available later in the growing season
  • Adds bold color when other wildflowers fade
  • Provides seed heads that can be left standing

REQUIREMENTS

What It Needs

The right mix of sun, soil, and space for healthy growth.

Sun exposure

Choose the sunniest spot you have for the best flowering.

Soil type

Most garden soils work; avoid sites that stay soggy.

Moisture needs

Water to establish; after that, water during long dry spells, especially for container plants.

Planting method

Plant with enough space for airflow and mature width; taller types may need a sheltered spot from strong wind.

Mulching tips

Use a light mulch layer to reduce weeds, keeping mulch off the crown/stems.

GARDENING GUIDE

How to Grow It

Simple steps to plant, prune, and maintain healthy trees without pesticides.

Planting tips

  • Pick a sunny spot with soil that drains reasonably well.
  • Loosen the soil and remove weeds where the plant will go.
  • Plant at the same depth it was growing in its pot.
  • Water in well, then keep evenly moist for the first few weeks.
  • Add a simple label so you remember what’s planted and can protect it while weeding.

Seasonal care

  • Stake taller plants if they lean in wind or shade.
  • Deadhead some spent blooms to tidy the plant, but leave plenty of heads to form seeds.
  • Cut back stems later, or leave some standing for seasonal interest and wildlife use.
  • Divide or thin clumps if they get crowded over time (species-dependent).

What not to do

  • Planting in shade and getting few blooms
  • Soil stays wet and the plant struggles
  • Cutting everything down right after flowering
  • Spraying pesticides when leaves look chewed

Pairings

Best Pairings for Season-Long Bloom

Pairing ideas to keep pollinators fed throughout the growing season.

Early Bloom

  • Wild lupine
  • Columbine
  • Golden alexanders

Mid-Season Bloom

  • Bee balm
  • Purple coneflower
  • Blazing star

Late-Season Bloom

  • Goldenrods
  • Asters
  • Joe-Pye weed
“Native sunflower” can mean many different Helianthus species. If you’re shopping, look for plants labeled as native to your area and ask for a local species when possible.

GLOSSARY

Key Terms

A few quick terms you might see on plant tags or garden signs:

Glossary terms are being added.

What You Can Do

Make a difference for native habitats.

Turn this knowledge into action. Whether you plant a single pot or a whole garden, you are building a vital bridge for local biodiversity.

Join the movement to restore our shared habitats.

Pollinators supported

Species that benefit from this plant

Bee flies (Family Bombyliidae)

Bee flies

Adults visit flowers for nectar and can move pollen between blooms; their presence is a sign of diverse, functioning habitats.

View pollinator profile
Brushfoots (Family Nymphalidae)

Brushfoots

Many brushfoots move pollen between flowers as they feed, and their caterpillars are part of healthy food webs.

View pollinator profile
Bumble bees (Genus Bombus)

Bumble bees

Bumble bees are important pollinators of many wildflowers and garden plants, helping ecosystems and food crops reproduce.

View pollinator profile
F_hoverfly-01.jpg

Flower flies / hoverflies

Adults visit flowers for nectar and pollen, and many species’ larvae help keep plant-eating pests in check.

View pollinator profile
Hawk / sphinx moths (Family Sphingidae)

Hawk / sphinx moths

They can move pollen between flowers while feeding on nectar, especially for blooms that open or scent up in the evening.

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Leafcutter bees (Genus Megachile)

Leafcutter bees

They move pollen between flowers while foraging, helping many wild plants and garden plants set seed and fruit.

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Mason bees (Genus Osmia)

Mason bees

They move pollen between flowers while foraging, helping many wild plants and garden crops set seed and fruit.

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Mining bees (Genus Andrena)

Mining bees

They move pollen between flowers while foraging, helping many wild plants and garden plants set seed and fruit.

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Paper wasps (Genus Polistes)

Paper wasps

They can move pollen while drinking nectar, and they also help control many plant-eating insects.

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Silkmoths (giant moths) (Family Saturniidae)

Silkmoths (giant moths)

They’re part of healthy food webs and plant communities, and their caterpillars depend on a wide range of native trees and shrubs.

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Skippers (Family Hesperiidae)

Skippers

Skippers visit many flowers for nectar and can help move pollen between blooms while they feed.

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Small nectar moths (micro-moths) (Multiple families (varies))

Small nectar moths (micro-moths)

Many small moths move pollen while feeding on nectar, supporting wild plants and garden blooms—especially in the evening and at night.

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Soldier beetles (Family Cantharidae)

Soldier beetles

Many adults visit flowers and can move pollen between blooms, while also helping control some garden pests.

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Swallowtails (Family Papilionidae)

Swallowtails

Adult swallowtails visit many flowers for nectar and can help move pollen between blooms as they feed.

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Sweat bees (Family Halictidae)

Sweat bees

They help move pollen between flowers in gardens, parks, and natural areas, supporting seed and fruit production.

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Whites & sulphurs (Family Pieridae)

Whites & sulphurs

They visit a wide range of flowers for nectar and can help move pollen between blooms as they feed.

View pollinator profile

Regions

Where this plant is native

Lower Mainland & Puget Lowland

The Lower Mainland & Puget Lowland is a busy, people-centered coastal lowland with rivers, shorelines, and patches of forest and meadow.

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