Annuals That Attract Pollinators | A Gardener’s Starter Set

Annuals that attract pollinators include zinnia, cosmos, marigold, sweet alyssum, sunflower, salvia, lantana, and pentas.

Planting annuals that attract pollinators is one of the quickest ways to turn a garden into a haven for bees, butterflies, and hummingbirds, all within a single growing season. Unlike perennials, annuals bloom continuously from summer to frost, providing a steady food source when pollinator activity peaks. The key is choosing the right species, planting them in the right places, and skipping the pesticides.

Top Annual Varieties For Pollinators

The best-supported annuals combine high nectar and pollen production with simple, accessible flower forms. University extension programs have tested dozens of varieties, and the same names keep rising to the top.

• Zinnia — a magnet for bees and butterflies; single-flowered types are best.
• Cosmos — open, daisy-like blooms that pollinators can easily reach.
• Marigold — reliable nectar source, particularly for bees.
• Sweet alyssum — low-growing clusters that attract tiny beneficial wasps and bees.
• Sunflower — the University of Minnesota Extension’s 4-year study highlighted ‘Music Box Mix’ sunflower as among the most attractive of the annuals they tested.
• Salvia — tubular flowers that hummingbirds love.
• Lantana — a top performer for butterflies, flowering nonstop until frost.
• Pentas — clusters of star-shaped blooms that draw both hummingbirds and butterflies.
• Portulaca — low, spreading blooms favored by bees and butterflies.
• Tithonia (Mexican sunflower) — a tall, vivid-orange bloom that hummingbirds can’t resist.

Michigan State Extension recommends zinnia, portulaca, marigold, bidens, and alyssum, while Missouri Extension backs sunflower, tithonia, salvia, alyssum, and gomphrena. If you’re ready to shop, our tested roundup of top annuals for pollinators will help you pick varieties that perform.

Which Flowers Bring Which Pollinators?

Flower form matters as much as color. Different pollinators have different physical needs, and matching them increases your garden’s value.

• Bees are drawn to purple, blue, orange, or yellow flowers with short tubes or open faces. Strong choices include zinnia, marigold, alyssum, cosmos, sunflower, salvia, calendula, gomphrena, and cleome.
• Butterflies need a perch and favor white, pink, red, yellow, or purple blooms. Zinnia, cosmos, lantana, pentas, portulaca, and gaillardia are repeat performers.
• Hummingbirds prefer vivid red, yellow, and purple tubular flowers. Lantana, pentas, salvia, cuphea, and tithonia fit the bill.

Plant in clusters or drifts rather than single specimens. A group of five or more of the same flower is far easier for a pollinator to spot and more efficient for them to work than one lonesome plant.

Planting And Care That Actually Works

Most pollinator-friendly annuals want the same thing: full sun, roughly 6–8 hours a day. Michigan State’s research found that sunflower, tithonia, salvia, alyssum, and gomphrena all thrive in these hot, bright spots. Shady locations will produce weak plants with few blooms, and few blooms mean few pollinators.

Add a shallow water source, like a dish with stones, so visiting insects have a safe place to drink. Avoid broad-spectrum insecticides and systemic pesticides entirely; these don’t discriminate and will kill the very insects you’re trying to attract.

Avoid Double Blooms

Heavily bred double-flowered varieties may look spectacular, but they are the worst choice for pollinators. Dense petals block access to nectar and pollen, and some cultivars produce significantly reduced amounts of both. The University of Minnesota’s research showed some modern cultivars were only moderately attractive compared with benchmark species. Stick with simple, open, single-flowered varieties whenever possible.

Common Mistakes To Skip

Several avoidable errors keep gardens emptier than they should be.

• Planting in too little sun. The majority of pollinator-friendly annuals demand full sun.
• Choosing pompom cultivars. Double blooms make nectar harder or impossible to reach.
• Spraying pesticides near blooms. This harms beneficial insects directly.
• Planting single specimens. Pollinators pass by scattered plants in favor of larger groupings.

One caution worth noting: some flowering plants are toxic. While not among the recommended annuals here, angel’s trumpet is sometimes planted for its dramatic blooms and attracts moths, but it should be treated as highly poisonous.