Create a beautiful garden backdrop or add a splash of color to a yard fence with these 10 tall-growing perennials that are sure to make a big impact.
Boltonia
They form an ideal choice for the oblique garden and can achieve a height of three to seven feet tall depending on the cultivar.
It’s a native flower that explodes flowers of pink or white shades in the late summer or early fall. It thrives well in good drained soil and plenty of sun like these sun loving plants.
It can be an ideal choice for the garden borders and combines well with fall-blooming plants.
Clustered Bellflower
If you are looking for a perennial with purple summer flowers, then the clustered bellflower (Campanula glomerata) is a good choice.
This tall perennial grows to about 23” (58 cm) and has clusters of purple bell-shaped flowers. One stem can hold a number of dark purple flowers measuring about 1” (3 cm). The clustered bellflower thrives in full sun and can also withstand partial shade.
Foxgloves
The foxglove is a plant that creates tubular blooms that range in color from red and pink to yellow and purple. It can be found growing in zones four to 10, and with the right care, it can grow to be a height of five feet. It is a very adaptive plant, so it can grow in full and partial sun as well as shade.
Sneezeweed
Sneezeweed is a fall blooming plant that produces daisy-like blooms that are gold and rusty red in color. These plants are not weeds and they do not make you sneeze, so the name is a bit deceptive, but some varieties will grow to be four to five feet tall. They grow best in moist soil with full sun, and they tend to attract insects and bees to your garden.
Globe Thistles
They have spherical flower heads and spiny, prickly leaves that attract butterflies and bees. They grow well in hot, dry climates, full sunlight, and well-drained soil. They are drought tolerant and winter hardy to zone 3.
Hollyhock
This is an extremely tall plant that can be up to eight feet tall when it is fully mature, which can make it a great addition to add height to your garden. It will grow well in zones three to nine, and it is fairly easy to tend to because the plant grows best in well-drained soil and full sun.
Valerian
Valerian, commonly known as garden heliotrope, is a clumping herbaceous perennial with fragrant leaves, stems, flowers, and roots. This plant can grow to about 5-6 feet tall that features the hollow, tall, and slender stems, and odd-pinnate leaves having 7-10 pairs of terminal leaflets. The flowers grow into dense clusters of small white to pink blossoms in early summer. They are easily grown in average, wet, well-drained soils under full sun.
Plume poppy
This Asian native is known for its large, scalloped foliage and dainty, creamy-white flowers that each contain more than 20 stamens. Plume poppies make excellent garden backdrops and grow well alongside fences or border walls, reaching 5-8’ in height. Plume poppies will have the best growth in gardens within zones 3-8.
Monkshoods
This showy flower has hooded, purplish-blue flowers that grow 2-4’ tall. Every part of monkshood is highly poisonous, making it not favorable to plant in an area where young children or pets play. Monkshood grows best in zones 3-7.
Joe-pye weed
A native of Missouri, Joe-pye weed grows anywhere from four to seven feet in height, containing 5-7 florets of tiny, pinkish-purple blossoms that produce an enticing vanilla scent. This is a low-maintenance plant that attracts butterflies and grows nicely in zone 4-9.