Hibiscus (Hibiscus moscheutos 'Heartthrob') in the Hardy Hibiscuses Database

Common names:
Give a thumbs up Hibiscus
Give a thumbs up Hardy Hibiscus
Give a thumbs up Swamp Rose Mallow

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 10b
Plant Height: 4-6 feet
Plant Spread: 2-3 feet
Leaves: Deciduous
Flowers: Showy
Bloom Size: 6"-12"
Flower Time: Summer
Late summer or early fall
Fall
Wildlife Attractant: Bees
Butterflies
Hummingbirds
Propagation: Seeds: Suitable for wintersowing
Sow in situ
Start indoors
Propagation: Other methods: Cuttings: Stem
Cuttings: Tip
Cuttings: Cane
Division
Pollinators: Various insects
Containers: Suitable in 3 gallon or larger

Flower color is actually darker than picture.

'Heartthrob' was a featured
Plant of the Day for April 13, 2016.

Discussion Threads about this plant
Thread Title Last Reply Replies
Thinning out my clumps DAYLILY SALE! by celestialrose May 18, 2020 7:22 AM 34
What's Blooming - Photos and Chat. by NJBob Sep 25, 2020 2:14 PM 2,677
What's Blooming 2017 - Photos and Chat. by NJBob Jan 1, 2018 8:14 PM 1,563
Fall 2016 Hibiscus Discussion by Horntoad Dec 21, 2016 5:28 PM 34
Summer Hibiscus Discussion by Horntoad Sep 22, 2016 6:01 PM 107
of the Day: Hibiscus (Hibiscus moscheutos 'Heartthrob') by Horntoad Apr 12, 2016 6:01 PM 0
What's Blooming 2016 - Photos and Chat. by NJBob Dec 31, 2016 10:07 PM 1,927
What New Perennials Do You Want? by clintbrown Jul 3, 2015 10:51 AM 68
Hardy hibiscus by crittergarden Aug 19, 2014 6:24 PM 8
Hardy Hibiscus by clintbrown Sep 26, 2020 8:50 PM 2,600

« Add a new plant to the database

» Search the Hardy Hibiscuses Database: by characteristics or by cultivar name

« See the general plant entry for Hardy Hibiscuses (Hibiscus moscheutos)

« The Hardy Hibiscuses Database Front Page

« The Plants Database Front Page

Today's site banner is by Lestv and is called "Saxifraga dance"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.