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Due to its compact growth and leisurely pace, Lobelia cardinalis can be used well in the middle ground and foreground of an aquarium or pond
A stalk of red cardinal flowers grow at the edge of a Cape Cod wetland on a late July afternoon. These flowers depend on hummingbirds for pollination.
Lobelia cardinalis (Cardinal Flower) Native North American Wetland Wildflower
Cardinal lobelia with pink flowers.
The stark redness of the cardinal flower clashes with the green of the meadow in Waukesha County, Wisconsin.
Bright red wild flower that likes damp areas, found growing along streams and ponds.
Close up of  purple cardinal flowers (lobelia cardinalis) in bloom
Wildflowers
red cardinal flower or lobelia cardinalis in a garden
A red cardinal flower against a dark green background.
Lobelia cardinalis (Cardinal Flower) Native North American Wetland Wildflower
Stalks of bright red cardinal flowers grow in profusion in a damp spot of a Cape Cod garden
Red flower in the Smokey Mountain National Pak
Several flowers on a single stem of Lobelia polyphylla, one of several closely-related Lobelia species known as the Devil's Tobacco, because their herbal and hallucinatory properties were utilised among the native Mapuche people of south-central Chile
Close up of a red cardinal flower (lobelia cardinalis) in bloom
Physostegia virginiana, commonly called obedient plant or false dragonhead, is a rhizomatous perennial that is native to North America. Tubular, two-lipped, snapdragon-like, pink to pale lilac flowers in upright terminal spikes bloom throughout summer (late June-September) atop square stems. Flowers bloom bottom to top on each spike.
Beautiful close-up of Lobelia Cardinalis red flowers
Asters and deutzia in a garden, late summer/early fall
Lobelia cardinalis (Cardinal Flower) Native North American Wetland Wildflower
Campanula rapunculoides flowers (Acker-Glockenblume), known by the common names creeping bellflower or rampion bellflower.
WIldflowers Clarion River Cook Forest State Park Pennsylvania
Flowering Lobelia Fulgens 'Queen Victoria.
The Northern dragonhead (Dracocephalum ruyschiana) flowering with two-lipped, strongly-fragrant, hooded blue flowers in the garden
Pink Angelonia goyazensis Benth flower in garden
Lobelia Starship Scarlet red flowers - Latin name - Lobelia x speciosa Starship Scarlet
Wildflowers
Lobelia siphilitica (Blue Lobelia) Native North American Wetland Wildflower
A beautiful red Cardinal flower against a muted green background.  Plenty of copy space on the background.
Lobelia cardinalis 'Queen Victoria' (syn. Lobelia fulgens) -  cardinal flower
Cardinal flower (Lobelia cardinalis) in summer. A wildflower that can be found in gardens. In his Field Guide to Wildflowers, renowned artist and writer Roger Tory Peterson called it \
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