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"Red Heart" Rose of Sharon Hibiscus (1 Gallon) - Exotic pure white blossoms with colorful a red splash in the heart of each flower! Deer-resistant, drought-tolerant, hardy to -15°.

SKU: SBHB002
Regular price $34.99 $29.95 14% off
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Description

The "Red Heart" Rose of Sharon is a wholly unique and colorful Hibiscus shrub with that lends an unusually exotic and elegant eye appeal to landscapes. Another rare summer-blooming hibiscus, "Red Heart" flowers typically open in Mid-July to reveal huge saucer-shaped flowers measuring 3" to 5" across. The soft white petals sharply contrast to a ruby-red splash in the heart of the flower, thus bringing about its unique name. Highly fragrant blossoms attract butterflies and hummingbirds to their sweet scent, plentiful nectar, and pollen. Although a rapid grower, even as a young plant "Red Heart" puts on numerous fragrant blossoms that naturally grow in an evenly spaced and symmetrical fashion across its branches! These summertime blossoms rival any springtime flowers in both color and pure beauty. In fact like many Rose of Sharon cultivars, "Red Heart" is often labeled as everblooming since the flowers bloom for months at a time, from July until the first frosts occur. In warmer climates, one can enjoy these blossoms well into October!

 

"Red Heart" Rose of Sharon reaches heights of five to eight feet with a spread of six feet at maturity, but can of course be kept at any size smaller with regular pruning. "Red Heart" is an excellent accent plant that brings depth and color when most flowers have finished for the season. These blossoms may appear delicate, but the truth is, they are anything but fragile! This hardy shrub is highly deer-resistant, heat and drought tolerant, cold-hardy down to -15° F, as well as tolerant of high humidity. This flowering shrub is highly resistant to the spots and mildew which occur on most shrubs in climates with high humidity.

 

Exotic, large, colorful ruby-red and white everblooming flowers bloom for months at a time, while the plant itself is among the hardiest and most pest-resistant. This is a perfect addition to any landscape in almost any climate!

 

Frequently Asked Questions

When should I prune it?

It depends on when it blooms. Prune spring bloomers, like lilac, weigela and viburnum, right after the flowers fade, because they set next year's buds soon after. Prune summer bloomers, like potentilla, spirea, rose of Sharon, bluebeard and Russian sage, in late winter or early spring, before new growth starts. Panicle hydrangeas get a late-winter trim, and bigleaf hydrangeas only a light one right after flowering.

It's spring and it has no leaves yet. Is it dead?

A late start is common. Recently planted shrubs often leaf out later than established ones, and rose of Sharon, bluebeard and smokebush are naturally late every spring. To check, scratch a small twig with your thumbnail: green, moist tissue underneath means that part is alive. Give it time before you dig it out.

How big will it get?

This page lists the size for this plant. Plan for its full spread, not the size of the pot.

Why is my hydrangea wilting?

Drooping on a hot afternoon is common, even in moist soil, especially for bigleaf types in full sun. Check the soil at the root ball. If it's damp and the plant perks up overnight, that's heat, and it doesn't need more water. If the soil is dry, water deeply. A spot with morning sun and afternoon shade helps.

Can I change my hydrangea's flower color?

On bigleaf hydrangeas, yes. Soil pH sets the color. Acidic soil, about pH 5.0 to 5.5, keeps the flowers blue, and soil closer to neutral, around 6.0 or higher, tends toward pink. Test your soil first: sulfur lowers pH and lime raises it, and the change can take a year.

Is barberry or burning bush invasive?

They can be. Japanese barberry and burning bush can spread from gardens into natural areas, and some states restrict them. Pennsylvania, for example, added Japanese barberry to its Noxious Weed List in 2022. Before you plant, check with your state's department of agriculture.

What does the gallon size mean?

It's the size of the nursery pot the plant ships in, not the plant's height. A 1-gallon plant ships in a 1-gallon pot. The plant itself varies by variety and by season.

It arrived wilted or dropped some leaves. Is it OK?

A few days in a dark box is stressful for a leafy plant, and some yellow or dropped leaves are common. Water it if the soil is dry, give it a few days in bright shade, then move it into more sun over a week or two. New leaves usually follow. If it looks damaged or unhealthy beyond a few leaves, contact us that day with photos.

How do I plant it?

Plant when the ground isn't frozen, and not during a heat wave. Loosen any roots circling the root ball, and set the top of the root ball level with the ground or slightly above it. Water it in well.

How often should I water it?

Check the soil every few days for the first few months. A new plant's root ball dries out faster than the ground around it, so feel the soil at the root ball itself, not only the surface. Water when it's dry, and let it drain.