ShrubsDiscover the right shrubs for your garden.
Paraplu Violet ® rose of Sharon . exposure by Proven Winners .
Hibiscus plants are n’t only for the tropics . In fact , some hardy hibiscus varieties , like the pop blush wine of Sharon , can winter out of doors in temperatures as moth-eaten as 20 ° below zero .
On this Sir Frederick Handley Page : Basics|Planting|Care and Maintenance|Pictures|Design Ideas|Is rose of Sharon invasive ?
On this page :
Buy rise of Sharon works from Proven Winners .
BASICS
Botanical name:
Hibiscus syriacus
Common names:
Rose of Sharon , shrub althea ; also shares the vulgar name hardy hibscus withHibiscus moschuetos .
Zones:
Generally 5 - 9 , with some exceptions .
Height/Spread:
8 to 12 fundament tall , 6 to 10 feet wide of the mark , depending on the variety
Exposure:
Full sun to fond afternoon spectre ( best efflorescence in full sun ) .
Soil:
Prefers moist , yet well - drain soil ; mulch to avail keep back moisture .
Bloom Time:
Rose of Sharon crotch hair part blooming in July and go on into fall or until the first frost .
Flower Color:
specter of white , pink , red , and purple ; sometimes with a contrast throat .
Foliage:
Deciduous ; with average - green , heart- or maple - shaped leaves , although there are a few exceptions .
PLANTING
Blue Chiffon ® Rose of Sharon . photograph by : Proven Winners
When to plant:
Rose of Sharon plant and other fearless hibiscus varieties can be planted in leaping or autumn , as long as there is no danger of freeze .
Where to plant:
Full sun to fond afternoon specter . An area with good tune circulation get the best flowers and strongest stems , and is the best environment to forbid disease . Keep an eye out for blistering , scorching afternoon sun that may burn the leaf ; as well as provide protection from damaging wind instrument .
How to plant:
Seeds can be start indoors and then transplant , but it is more vulgar to constitute potted plant purchased from a nursery . Dig a hole twice the breadth of the pot and set up the plant in . Make indisputable the tip of the plant roost just at or above the soil line . Backfill the hole , and water well .
CARE
Fertilizer:
Hibiscus need a fertilizer high-pitched in potassium ( K ) , low in phosphorus ( phosphorus ) , and with a intermediate amount of nitrogen ( N)—too much phosphorus will vote out a hibiscus . Hibiscus also answer well to anorganic plant food , and a undecomposed stratum of compost once a year is broadly sufficient . Do n’t fertilize after July as this can push raw emergence that will be damaged by frost .
Water:
They opt moist grime and do not tolerate drought . H2O on a regular basis and up to twice a 24-hour interval in hot weather condition , especially if in a container . Cut H2O back a moment in cold conditions . pee - stressed hibiscus may shake off their bud or become more susceptible to insects and disease . They should not be left in stomach water as this can promote root word damage / rootage putrefaction .
Magenta Chiffon ® rose of Sharon . Photo by : Proven Winners
Pruning:
petty pruning is required , and is generally only take to maintain show , size of it , and bod . They can be cut back 4 - 6 inches from the ground in leap , anytime before the new growth emerges . Pruning before very cold temperatures or in uttermost heating system can be very trying to your plant and do more harm than near .
Tip pruning can stimulate branching , and since more branching signify more bloom , a little trimming belated spring to early summertime can be a full thing .
Deadheading:
To aid prevent an over - teemingness of come pods from forming ( some variety may re - seed abundantly ) . ( Or , for a standardized flavour , examine the non - seedingSummerific ® serial rise mallows . )
Overwintering:
stout varieties will drop dead back to the ground in the winter in cold area , but new growth will develop from the roots in mid to previous spring from the root tops . In colder climate , insure the root ball with mulch to isolate it .
Diseases and Pests:
stout hibiscus can fall prey to a bit of pest , includingJapanese beetle , whiteflies , aphids , and pismire . pismire can be more than a simple annoyance on your hibiscus , as they will actually play aphid eggs to the hibiscus so that they can feast off of the byproducts the aphids bring forth from sucking the sap from the leaves and flowers . Hibiscus may be susceptible to dieback disease , wilt disease , and leafage fungus .
HIBISCUS PICTURES
Photo by : Proven victor
Blue Chiffon ® —Buy now from Proven WinnersHibiscus syriacus
Zones:5 - 9Height / Width:8 to 12 feet tall , 4 to 6 feet encompassing
Grows smartly with a rounded habit . Flowers have a downlike centre and produce few seeds . Provides beautiful downhearted previous summertime color in the garden .
Awarded2020 Flowering Shrub of the Yearby Proven Winners .
Also uncommitted in pinkish , white , dour lavender , magenta , and Starblast . See morerose of Sharon plants from Proven Winners .
Purple Pillar ® —Buy now from Proven WinnersHibiscus syriacus
Zones:5 - 9Height / Width:10 to 16 feet tall , 2 to 3 foot panoptic
A alone variety that grow marvelous and narrow , instead of wide , making it a gravid option for privacy screening , hedge , containers , or any minute space . Semi - double flowers flower along the intact length of the stem . Little to no pruning is postulate .
2023 National Landscape Shrub of the Year
Also available inWhite PillarandRed Pillar .
Paraplu Adorned ® —Buy now from Proven WinnersHibiscus syriacus
Zones:5 - 8Height / Width:8 to 10 feet tall , 3 to 4 infantry wide
A stunning showing with its variegated leafage and wide , light imperial flowers . flower throughout the summer , it attracts pollinator and adds vivacious life to your garden . Ideal for specimen planting , hedges , or as a spectacular backcloth in a pollinator garden , this plant is a various and easy - care pick .
See others available in theParaplu serial .
Paraplu Violet ® —Buy now from Proven WinnersHibiscus syriacus
Zones:5 - 9Height / Width:5 to 8 base magniloquent , 4 to 5 foot all-inclusive
The nerveless blue - violet flowers bring a glow to the garden and bloom for weeks .
Pollypetite ® —Buy now from Proven WinnersHibiscus sp .
Zones:5 - 9Height / Width:3 to 4 feet marvelous an wide
This compact , nigh seedlessrose of Sharon ensures that everyone has elbow room to grow one of these beauties !
Sugar Tip ® —Buy now from Proven WinnersHibiscus syriacus
Zones:5 - 8Height / Width:5 to 6 feet tall , 4 to 6 metrical foot wide
Sugar Tip ® rose of Sharon feature showy vary foliation and downy pinkish double blooms — and itdoesn’t produce seed , so no unwanted seedlings !
Azurri Blue Satin ® —Buy now from Proven WinnersHibiscus syriacus
Zones:5 - 9Height / Width:8 to 12 foot tall , 6 to 10 metrical unit wide
Enjoy true - blue blooms all summer with Azurri Blue Satin ® rise of Sharon — aseedless , low - maintenance variety that wo n’t take over your garden .
Featured in : Garden Design ’s Top 10 Garden Trends for 2022(“Including plant that channelise You to the Tropics " )
DESIGN TIPS
IS ROSE OF SHARON INVASIVE?
Hibiscus syriacuscan be invading in the following field :
To see if rose of Sharon has been identified as encroaching in your field check outthis mapfrom InvasivePlantAtlas.org .
If concerned , try seedless varities such asSugar Tip ® andAzurri Blue Satin ® , or nearly seedlessPollypetite ® .
Related : grow Rose Mallow ( Swamp Hibiscus)Tropical Hibiscus Growing GuideFlowering ShrubsTropical Gardens
