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The Daily Insight

Is Althea same as Hibiscus

Author

Sophia Edwards

Published Apr 04, 2026

Althea, also called Hibiscus or Rose of Sharon, is a very decorative shrub.

Is rose of Sharon a type of Hibiscus?

rose of Sharon, also called shrub althaea, (Hibiscus syriacus, or Althaea syriaca), shrub or small tree, in the hibiscus, or mallow, family (Malvaceae), native to eastern Asia but widely planted as an ornamental for its showy flowers.

What is difference between Hibiscus and rose of Sharon?

Rose of Sharon falls under the genus Hibiscus, making it a cousin of other popular Hibiscus varieties. Essentially, all Rose of Sharons are Hibiscus, but not all Hibiscus are Rose of Sharons. The plant traditionally labeled ‘Hibiscus’ as a common name is actually called Chinese Hibiscus, or Rose of China.

Is there a flower named Althea?

Althea is a deciduous plant. It has a summer flowering period in which it bears pleasing hollyhock flowers well into the fall. … From early summer through the fall it bears very showy hollyhock-like-petaled flowers which can be 3” in diameter. Flowers vary in color but are often pink with red centers.

Is Rose of Sharon the same as Althea?

The Rose of Sharon (Hibiscus syriacus) also known as an Althea shrub is a mid summer bloomer in white, pink, red, or purple with a red center. You can also find them ruffled in the same array of co…

Why is Rose of Sharon called Rose of Sharon?

According to an annotation of Song of Solomon 2:1 by the translation committee of the New Revised Standard Version, “rose of Sharon” is a mistranslation of a more general Hebrew word for crocus.

Which plant is most similar to hibiscus?

In appearance, the rose mallow in the genera Malva has the most similar flowers. It also has the same shape of leaf, although hibiscus has a glossier tone. The mallow flowers are about 4 inches across, and it grows best in full sun but can tolerate partial shade.

What does Althea flower look like?

This deciduous flowering shrub boasts extravagant, tropical-looking blooms in shades of pink, red, purple and white, and though it’s native to China and India, it’s hardy to U.S. Department of Agriculture zones 5 through 8. Luckily for amateur gardeners, it is relatively easy to care for althea.

What is the difference between a rose of Sharon bush and tree?

The rose of Sharon (Hibiscus syriacus) is actually classified by botanists as a shrub, but you can train them into a tree form by pruning them to one main trunk (leader). … You can choose from many different rose of Sharon varieties to complement shrubs that flower in spring and early summer.

Is Rose of Sharon a hybrid?

Pollypetite® is a new hybrid rose of Sharon that anyone has space for. It naturally grows with a rounded, 3-4′ (. 9-1.2 m) tall and wide habit without pruning. In summer, it’s loaded with lavender-pink blooms floating over the handsome dark blue-green foliage.

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Is Rose-of-Sharon the same as hardy Hibiscus?

Shrub forms of hardy hibiscus, botanically known as Hibiscus syriacus, are commonly called rose of Sharon or althea. Like tropical hibiscus, they have woody stems and a bushy form. … Rose of Sharon is a hardy shrub that should be grown in the ground outdoors in full sun in zones 5-9.

Is Rose mallow the same as Rose-of-Sharon?

Like all hibiscus, Rose Mallow thrives in sun. But unlike the Rose-of-Sharon, it tolerates moist soils. In fact, many of the native Hibiscus species thrive in marshy areas, wetlands, and ditches. Once established, many species and cultivars can withstand dry conditions and even short periods of drought without injury.

Is there a flower called Sharon?

Commonly referred to as the ‘Rose of Sharon‘, the large bright yellow star-shaped flowers have prominent red-tipped anthers and make a sunny display from June to September. The buttery flowers sit on a bed of ovate mid-green leaves which produce a lovely scent when slightly squeezed.

Why is Rose of Sharon bad?

Growing Rose of Sharon The shrub may occasionally suffer from pests like Japanese beetles and aphids and diseases like blights, canker and leaf spots. … Its ability to thrive despite poor conditions that may cause problems for other plant species is one of the things that contribute to the shrub’s invasiveness.

Is Althea a perennial?

BotanicalHibiscus syriacusBloomtimeLate Summer-Fall

Are Rose of Sharon and hibiscus in the same family?

Rose of Sharon (Hibiscus syriacus) and Chinese hibiscus (Hibiscus rosa-sinensis) are cousins. Both are members of the mallow family, a large group of several hundred different plant species.

What is an Althea tree?

Althea, also known as Rose of Sharon or Hibiscus syriacus, is a popular blooming woody shrub in cold hardiness zones 5 to 8. Altheas love the heat and blooms in the summer as many other plants are winding down their flowering season.

What plants are compatible with hibiscus?

Try a mixture of other easy-to-grow companion plants, such as daylilies, delphinium, alium, poppies, peonies and bearded iris. They all grow well in the same soil condition, light and water requirements as the hardy hibiscus. Try baptisia as a companion to the hardy hibiscus.

How do I know what kind of hibiscus I have?

Check the flower color of the plant. Hardy hibiscus flowers have red, pink or white flowers, according to the Tropical Hibiscus website. Tropical plants have bright salmon, peach, orange or yellow blooms. Inspect the shape of the flower.

When Should Rose of Sharon bud?

It produces new shoots in early summer that develop flower buds towards the end of summer. Single or double flowers are 2 to 4 inches wide and begin opening in July or August, depending on the cultivar.

What Kills Rose of Sharon bushes?

Of course, chemicals can be used to kill rose of Sharon seedlings. A herbicide formulated for woody plants, such as Bioadvance’s brush killer or Ortho’s Ground Clear will do the job. These are non-selective plant killers, though, so you need to be very careful in how you apply them.

Where is the best place to plant Rose of Sharon?

For spectacular flowers and easy care, plant your Rose of Sharon in a spot with good drainage and full sun to partial shade. In northern climates, six or more hours of direct daily sun promotes maximum blooms.

Is there a dwarf Rose of Sharon?

Noted for its miniature size, Hibiscus syriacus Lil’ Kim® (Rose of Sharon) is a compact, vase-shaped, deciduous shrub of elegant habit with a profusion of showy, ruffled, white flowers, 3 in. … This dwarf Hibiscus is perfect for sunny borders, containers and small gardens. Grows up to 3-4 ft. tall and wide (90-120 cm).

Do hummingbirds like Rose of Sharon?

Rose of Sharon, Hibiscus syriacus, isn’t a rose, but its large, flat blossoms and nectar attract hummingbirds and tiny insects that hummers also eat. The flowers on this woody shrub come in several colors, including white, pink, purple, and red.

Can you plant Rose of Sharon near House?

Planting Distance From the Foundation In general, a tall shrub like a Rose of Sharon is best planted in a shrub border or in a mass planting at least 4 to 5 feet away from the house foundation, where the plant can broaden its branches unhampered. A dwarf cultivar can be planted 2 to 4 feet from the foundation.

What do Rose-of-Sharon leaves look like?

Rose of Sharon leaves are deep green, and their bark is thin. They feature trumpet-shaped flowers that can grow up to 6 inches wide in hues of blue, purple, white, pink or red. The dramatic flowers have red center parts with conspicuous white stamens that attract butterflies and hummingbirds.

What type of leaves does the Rose-of-Sharon have?

Rose-of-Sharon is a medium-sized shrub reaching 8′-12′ in height with a 6′-10′ spread. It has an upright, occasionally spreading form. The branches will not droop except in flower. Medium to dark green leaves emerge late in the spring, and fall color change is slight, if any.

What plants are similar to Rose of Sharon?

  • Clethra acuminata (Cinnamon Clethra) …
  • Franklinia alatamaha (Franklin Tree) …
  • Hibiscus coccineus (Scarlet Rose Mallow) …
  • Hibiscus laevis (Halberd-Leaved Rose-Mallow) …
  • Hibiscus moscheutos (Hardy Hibiscus) …
  • Magnolia virginiana (Sweet Bay Magnolia)

Is Lavatera Rose of Sharon?

The most recognizable are probably the more than 300 species of hardy and tropical hibiscus, but it also includes Althea (Rose of Sharon), hollyhock, prairie mallow and lavatera. The Althea — or Rose of Sharon (Hibiscus syriacus) — is a popular blooming shrub that grows well along the Wasatch Front in USDA zones 5-8.

What shrub is similar to Rose of Sharon?

Rose of Sharon Alternative: Swamp Rose Mallow The Disco Belle series features flowers in red, pink, or white, while purple-leaved hybrids, such as ‘Kopper King,’ offer the extra perk of colorful foliage. This shrub dies back in winter but bulks up each summer, growing up to 8 feet tall.

Will Althea grow in shade?

Double Althea does best in full sun; however, it can do well with partial shade. You should have plenty of room for your althea to grow because these plants like to spread. Each one needs at least 6 feet of space around it to allow ample room for expansion.