Pollinator

Best Plants for Hummingbirds: Flowers That Draw Them In

title: "Best Plants for Hummingbirds: Flowers That Draw Them In"

Ruby-throated hummingbird hovering near bright red tubular flowers
Photo: Unsplash on Unsplash

Hummingbirds are not generalist pollinators. Their bill shape, tongue structure, and visual system have co-evolved with specific flower types over millions of years, and a garden that ignores those preferences will see far fewer birds than one that works with their biology. Per the Cornell Lab of Ornithology's All About Birds resource, the primary attractors are tubular flowers (matching the length and shape of the hummingbird bill), red and orange coloration (hummingbirds see those wavelengths acutely and associate them with high-nectar flowers), and a sequence of bloom that extends from spring migration through fall departure.

Understanding which species you are likely to see also matters. The ruby-throated hummingbird (Archilochus colubris) is the only species that breeds east of the Mississippi. In the West, rufous (Selasphorus rufus), Anna's (Calypte anna), black-chinned (Archilochus alexandri), and several others occur, and their preferences largely overlap but with regional differences in plant availability. This guide focuses primarily on the ruby-throated's range but notes western species where they differ substantially.

What hummingbirds need from a flower

Hummingbirds hover and probe flowers with their bill. The ideal flower is tubular, with a tube length and diameter that matches their bill, and nectaries deep enough that other competitors (bees, other insects) are excluded. Per US Fish & Wildlife Service resources on hummingbird habitat, this co-evolutionary filtering means that many hummingbird-pollinated flowers have evolved specifically to exclude bees, which have short tongues relative to hummingbirds.

Red and orange are the dominant colors because hummingbirds evolved to associate those wavelengths with reward. In controlled studies they learn color-reward associations quickly and will switch to rewarding flowers of any color once trained, but in a novel garden they investigate red and orange flowers preferentially. Per the Xerces Society's hummingbird resources, this means that a garden mixing red-flowered and non-red tubular plants will see initial hummingbird attention concentrated on the red ones.

Nectar sugar concentration matters. Per research published in Functional Ecology, hummingbirds prefer nectar in the 20—25% sucrose range. This is why supplemental feeders work — the standard 4:1 water-to-sugar formula provides approximately this concentration.

More like this, monthly

Get the seasonal care notes — no upsell, unsubscribe any time.

One email per month from Thomas: what to plant, what to prune, what's about to break. Cited the same way as the guides.

Free. No spam. Same author as the guide you just read.