Blue beard or blue mist, caryopteris produces clusters of mild to deep blue blooms on tall stems from late summer to October. The flowers are surrounded by fragrant gray-green leaves with silvery undersides.
Caryopteris
Hydrangeas are great for cutting in many varieties. Indoor arrangements using bigleaf hydrangea (Hydrangea macrophylla), particularly mop-head varieties, are popular.
Hydrangea
Ninebark (Physocarpus spp.) is a great vase filler beyond its late spring blossoms. Summer brings stunning deep pink or crimson seed pods after clusters of small white or pink blossoms.
Ninebark
Again, smoke bush (Cotinus coggygria) is valued for its leaves as much as its blooms in arrangements. Flower clouds in late spring and summer are yellow, light, or deep pink, depending on type.
Smoke Bush
Roses (Rosa spp.) are popular cutting flowers because to their elegance, variety of colors, lengthy bloom season, and enticing aroma. Roses are best for indoor bouquets when cut while the petals are just opening.
Roses
Gardenia (Gardenia spp.) white blooms fill your home with their seductive scent. Cut gardenia stems to 4–6 inches tall and remove the lowest leaves, keeping many dark, glossy higher leaves to promote flowers.
Gardenia
Summersweet (Clethra alnifolia) is a thickly branching shrub with glossy green leaves. Pollinators flock to its fragrant white or pink blossoms in late July, which last 4–6 weeks.
Summersweet
Butterfly bush (Buddleia spp.) attracts butterflies to the yard. Arching stems with clusters of densely spaced flowers create stunning interior bouquets alone or in mixed arrangements.
Butterfly Bush