Hibiscus Summerific®’Holy Grail’ -[EG]

Growing Zones: 4-9

Mature Height:	4 to 5 Feet
Sunlight:	Full Sun
Mature width:	4 to 5 Feet
Botanical Name:	Hibiscus Summerific® ‘Holy Grail’
Growth Rate	Fast

Are Hibiscus Summerific® ‘Holy Grail’ trees or shrubs?

Hibiscus Summerific® ‘Holy Grail’ are not shrubs but rather flowering herbaceous perennials belonging to the mallow family. They are typically smaller than tree species, with some varieties like the dwarf Hibiscus Summerific® ‘Holy Grail’ growing to about 4-5 feet tall. These plants have a bushy habit and produce massive red flowers in the summer. They are a popular choice for landscaping and containers. Hibiscus Summerific® ‘Holy Grail’ prefer moist, well-draining soil and full sun. With proper care, they offer a dramatic display of color and texture in any landscape.

What colors does the Hibiscus Summerific® ‘Holy Grail’ come in?

Hibiscus Summerific® ‘Holy Grail’ is known for its stunning deep red flowers that bloom in summer. While this particular variety features rich crimson blooms, other Summerific® series hibiscus may come in pink, white, or lavender shades. With dark burgundy foliage and large 8–9 inch blooms, this plant adds striking contrast to any landscape.

When does the Hibiscus Summerific® ‘Holy Grail’ bloom?

The Hibiscus Summerific® ‘Holy Grail’ is known for its massive blooms that appear in mid to late summer. In most climates, blooming starts in July and continues into early fall. These blooms cover the plant and make a stunning seasonal statement in gardens and landscapes.

What kind of soil do Hibiscus Summerific® ‘Holy Grail’ like?

Hibiscus Summerific® ‘Holy Grail’ prefers well-drained, fertile soil that retains moisture but doesn’t become soggy. Although adaptable, it thrives in slightly acidic, organic-rich soil. Amend heavy clay with compost or peat moss to improve structure and drainage. Plant in spring or fall for best establishment.

What kind of care do Hibiscus Summerific® ‘Holy Grail’ need?

Proper care includes full sun, regular watering during hot weather, and balanced fertilizer. Water after planting and mulch to conserve moisture. Avoid over-fertilizing, and prune back old stems in early spring before new growth appears. These plants are generally easy to grow and maintain.

How fast does a Hibiscus Summerific® ‘Holy Grail’ grow?

The growth rate of Hibiscus Summerific® ‘Holy Grail’ is fast. It can grow from a dormant clump in early spring to a mature flowering plant reaching 4–5 feet tall in a single season. Regular watering and sunlight help support its vigorous growth.

What is the best place to plant Hibiscus Summerific® ‘Holy Grail’?

Choose a sunny location with well-drained soil. It does well in garden beds, borders, or as a focal point. Hibiscus Summerific® ‘Holy Grail’ thrives in full sun and should be protected from strong winds for best flower performance.

Can I plant Hibiscus Summerific® ‘Holy Grail’ close to my house?

Yes, you can plant it close to your house, but leave at least 2–3 feet of space to allow airflow and future growth. The roots are non-invasive, and the plant stays compact, making it suitable for borders along walls or fences.

Are Hibiscus Summerific® ‘Holy Grail’ native plants?

Hibiscus Summerific® hybrids are bred from native U.S. hibiscus species like Hibiscus moscheutos. While not wild-native themselves, they are excellent native-inspired choices for pollinator gardens and provide ecological benefits.

What are the pests and diseases on Hibiscus Summerific® ‘Holy Grail’?

Common issues include Japanese beetles, aphids, and leaf spots. Ensure good air circulation, avoid overhead watering, and use neem oil or insecticidal soap if pests appear. Overall, this plant is relatively resistant and easy to care for.