Blanket flower
Give these red or orange daisy-like flowers full sun, and they'll bloom from summer deep into fall. Another plus: These drought-tolerant flowers attract butterflies, not deer. Zone 3-11.
Daylily
Nearly impossible to kill, vigorous sun-loving daylilies tolerate drought and can even take part shade. Each bloom lasts just a day, but plants keep the trumpetlike blooms coming for weeks on end. Choose reblooming varieties like yellow 'Stella de Oro' (pictured) or red 'Lady Scarlet' for even more flowering time. Zones 3-9.
Poppy
Large crepe-paper-like blooms of poppy bring vivid pops of spring and summer color-neon orange and red to pastel pink and cream. Many kinds are available, including Iceland, Alpine, Atlantic and Oriental poppies. Little care is needed other than a sunny location and watering during dry spells until established. Zones 2-8.
Hosta
Few plants can brighten even the toughest dry shade like these rugged and varied perennials. Superstars include 'Pandora's Box' with green-edged white leaves and 'Frances Williams' (pictured) with large rippled blue-green foliage and chartreuse edges. Zones 3-9.
Yarrow
Typically ignored by foraging rabbits and deer, sun-loving yarrow blooms generously and stands up to summer heat and drought. Choose sterile varieties like 'Coronation Gold' (pictured) that won't spread aggressively. Zones 3-8.
Switchgrass
Given ample sunlight, this fountain-shaped ornamental grass ( panicum
) offers blue-green foliage in summer and dramatic golden or red tones in fall. Plus, it's not on the menu for rabbits, deer or grasshoppers. Zones 5-9.
Catmint
Drought-tolerant and deer-resistant, sun-loving catmint adds fragrant foliage and purplish-blue blooms to the summer garden. 'Walker's Low' and the new 'Cat's Meow' are varieties bred to remain upright rather than split in the middle. Zones 3-8.
Veronica
Resistant to insects, disease and drought, this spiky bloomer thrives for years without care. Though it's most vibrant in full sun, it also easily handles part shade. Choose from a broad range of heights, from groundcovers to back-of-the-border types. Zones 3-9.
Russian Sage
Tolerant of heat and drought, this fragrant shrublike plant attracts bees, but not rabbits or deer. Its cool blue flowers delight all summer, mixing well with red, orange and yellow plantings. Zones 4-9.
Coneflower
Deer resistant and tough as nails, this drought-tolerant overachiever will spread into a nice stand given a sunny location. Numerous hybrids come in colors from orange to green, but also consider the native pale purple coneflower. Its long drooping petals and large cone attract bees and butterflies; the seed heads are favorites for goldfinches and chickadees. Zones 3-9.
Wiegela
With no notable insect or disease problems, reliable Wigela florida
is a 4- to 5-foot shrub that is pretty alone or in a hedge. Its showy pink flowers in spring attract hummingbirds; fall foliage is colorful. Weigela prefers full sun, but tolerates shade as well as clay soil. One to try: award-winning 'Alexandra' (also marketed as 'Wine and Roses'). Zones 4-8.
Reference: https://www.midwestliving.com