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Hollywood Hibiscus™ Heartthrob™

Hibiscus rosa-sinensis 'Heartthrob'

  • Hardy outdoors in zones 9-11, or grow as a stunning patio container plant and overwinter indoors in colder climates
  • Huge 6-8 inch red blooms with a dramatic darker eye appear continuously from late spring through fall in warm conditions
  • Proven Winners® Hollywood Hibiscus™ series is bred for exceptional flower power, compact branching, and improved heat tolerance
  • Fast-growing tropical shrub reaches 4-6 ft tall and attracts hummingbirds, butterflies, and bees to the garden or patio
Regular price $9020
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Plant Size

Specifications

Plant specifications
Plant Characteristics Flowering, Attracts pollinators, Low Maintenance
Hardiness Zone 9a to 11b
Sunlight Full sun
Height 4-6 ft
Width 3-4 ft
Preferred Soil Peaty
Growth Rate Fast
Growth Habit Upright
Plant Life Cycle Perennial
Blooms In Fall, Spring, Summer
Flower Color Red
Foliage Color Green
Suitable Space Indoors, Outdoors, Container
Plant Name Hibiscus
Botanical Name Hibiscus rosa-sinensis 'RH-10'
Species rosa-sinensis
Cultivar RH-10
Class Magnoliopsida
Does Not Ship To AK, AZ, HI, ID, MT, PR

Frequently Asked Questions

What is the mature height and spread of Heartthrob™ Hollywood Hibiscus?

  • Heartthrob Hollywood Hibiscus reaches 4-6 feet tall when planted directly in the landscape in zones 9-11. In cooler climates, container-grown plants stay smaller and more manageable. Plan for full-size growth in warm zones or keep it pruned in pots for easier winter storage.

Can I plant Hollywood Hibiscus™ Heartthrob™ in the ground or only in containers?

  • You can plant Heartthrob directly in the ground in zones 9-11, where it grows 4-6 feet tall. In cooler zones, grow it in containers and bring indoors before temperatures drop below 50°F. Shop at Nature Hills for this versatile tropical hibiscus.

What are the sunlight requirements for Heartthrob™ Hollywood Hibiscus?

  • Heartthrob Hollywood Hibiscus requires full sun for optimal flowering performance. This tropical hibiscus needs bright, direct sunlight whether grown in the landscape in zones 9-11 or as a container plant in cooler areas. Even when overwintered indoors, place it in a bright, sunny window to maintain health and encourage sporadic blooms.

What type of soil does Hollywood Hibiscus™ Heartthrob™ need?

  • Hollywood Hibiscus™ Heartthrob™ thrives in well-draining, fertile soil with consistent moisture. As a tropical hibiscus, it prefers slightly acidic to neutral pH (6.0-7.0) and benefits from organic matter mixed into the planting area. Ensure good drainage to prevent root rot.

How often should I water Heartthrob™ Hollywood Hibiscus, and how do I avoid root rot?

  • Water when the top inch of soil feels dry, typically every 2-3 days in containers during active growth. Hibiscus needs consistent moisture but never soggy soil - ensure containers have drainage holes and well-draining potting mix. Check daily during hot weather as these large 6-8 inch blooms demand steady hydration.

How do I prune Hollywood Hibiscus™ Heartthrob™ to encourage blooming and shape it?

  • Prune Heartthrob hibiscus in late winter before new growth starts to maintain its 4-6 feet size and encourage bushier form. Remove dead, damaged, or crossing branches, and cut back up to one-third of the plant's height. Light pruning throughout the growing season is fine since it blooms on new wood.

Is Hollywood Hibiscus™ Heartthrob™ hardy outdoors in colder climates, or do I need to overwinter it indoors?

  • Heartthrob is only winter-hardy outdoors in zones 9-11. In colder climates, grow it as a container plant and bring indoors before temperatures drop below 50°F. Place in a bright, sunny window for winter storage.

Is Hollywood Hibiscus™ Heartthrob™ disease-resistant, and how do I prevent pests?

  • Hollywood Hibiscus™ Heartthrob™ shows good disease resistance as part of the improved Proven Winners® breeding program. Watch for aphids and spider mites, especially on container plants. Ensure good air circulation and avoid overhead watering to prevent fungal issues.