Image 1 of 2

Public Plant Profile

Summerific® Holy Grail Hardy Hibiscus

Hibiscus x Summerific® 'Holy Grail'

Category: Deciduous Shrub • Hibiscus

Discover Summerific® Holy Grail Hardy Hibiscus, a stunning addition to your garden with large flowers and pollinator appeal.

Request Consultation Browse All Plants

Mature Height: 4-5 feet

Mature Width: 4-5 feet

Bloom Color: White, Pink

Bloom Time: Summer

Light: Sun

Zone: Zones 4-9

Maintenance: Moderate

Growth Rate: Moderate

Season of Interest: Summer

Foliage: Deciduous

Community Photos

Upload some of your best photos for this plant by clicking below.

Bold Outdoors Verified Insight

Designed & Reviewed by

Josh Graber

Owner and Landscape Designer · Kansas State University · 25+ Years Experience

B.S. in Horticulture and Landscape Design – Kansas State University

25+ years of industry experience

Description

Summerific® Holy Grail Hardy Hibiscus features large, showy flowers with striking dark foliage, making it a standout in gardens. It thrives in warm climates and attracts pollinators.

Ideal Conditions

Prefers full sun and well-drained soil. Tolerates moderate moisture levels.

Soil Preferences

Requires well-drained soil with a neutral to slightly acidic pH. Adaptable to various soil types.

Sun Needs

Sun

Landscape Guidance

Landscape Use

specimenborder

Special Features

Largeshowy flowers; attracts pollinators

Wildlife Value

Attracts pollinators and provides habitat.

Resistance / Tolerance

Drought tolerant once established.

Notes from Our Designer

Great for adding color to gardens and landscapes. Ideal for sunny spots with ample space.

Related Plants

See How Similar Plants Are Used in Real Landscapes

Explore related plants, compare shape, texture, and overall planting style, and get a better feel for what may fit your own outdoor space.

Design Ideas Using This Plant

Use this page to get a feel for where Summerific® Holy Grail Hardy Hibiscus may fit in the landscape, then explore similar plants below for more ideas on form, texture, and overall planting style.

What Clients Say

★★★★★

“Josh designed and installed a two-tiered paver-stone patio for us as well as front and backyard landscaping. I could not be more thrilled with the job they did! It looks simply fantastic. I've known Josh for several…”

Jerie B.

★★★★★

“Bold Outdoors has provided the highest quality professional landscape design, installation and after installation services at my residence since April, 2014. Josh Graber, the owner of the company, listened to input from…”

Brad S.

Helpful Next Steps

Browse All Plants See Design Services Request a Consultation

Frequently Asked Questions

Is Summerific® Holy Grail Hardy Hibiscus a good fit for Kansas City landscapes?

That depends on sun exposure, moisture, spacing, and how the plant will be used in the overall design. Bold Outdoors evaluates those practical conditions before recommending a plant broadly.

How should homeowners use this plant information?

Use the plant profile as a planning tool for size, conditions, and visual role, then connect it to the broader landscape design and installation plan for the property.

Next Step

Ready to plan your landscape?

Browse more plants or reach out and we will help you choose the right combination for your space.

Request a Consultation Browse All Plants