1. Hebe

plantcentraal

Botanical Name: Hebe

Type: Perennial

Blooming Period: Midsummer to Mid-Autumn

Also called the ‘Showy Speedwell’, Hebe belongs to New Zealand’s largest plant genus and has over 90 species. It grows best in bright and indirect light.

2. Hibiscus

tanshi1223

Botanical Name: Hibiscus

Type: Perennial

Blooming Period: Mid to Late Summer

With over hundreds of species, Hibiscus belongs to the genus of flowering plants from the mallow family Malvaceae. It comes in plenty of colors to suit every taste!

Learn about growing Hibiscus indoors here

3. Heavenly Bamboo

smsmarmaragroup

Botanical Name: Nandina domestica

Type: Perennial

Blooming Period: Late Summer

Heavenly Bamboo is also called Nandina, Nandina Domestica, or Sacred Bamboo. This species of flowering plant comes from the Himalayas in Eastern Asia to Japan.

4. Hellebore

lowes

Botanical Name: Helleborus

Type: Perennial

Blooming Period: Late winter

Hellebore belongs to the Ranunculaceae family and is also called Winter Rose. It displays huge, rose-like cup-shaped flowers in shades of pink.

5. Hepatica

pinacolada_garden

Botanical Name: Hepatica

Type: Perennial

Blooming Period: Early Spring until Mid-Spring

Hepatica Nobilis belongs to the genus of perennials in the buttercup family. It grows in fertile woodlands and produces blue, white, and lavender flowers.

6. Highbush Blueberry

pflanzenbestimmung

Botanical Name: Vaccinium corymbosum

Type: Perennial

Blooming Period: Late Summer until Fall

This North American blueberry species belongs to the United States and eastern Canada. The plant features clusters of droopy white flowers.

7. Hollyhock

ameliataque

Botanical Name: Alcea

Type: Perennial

Blooming Period: Midsummer to Early Fall

It is also popular as Alcea Rosea and comes in pink, blue, red, yellow, purple, white, and black hues. The most common Hollyhock bears red-colored flowers.

8. Honeysuckle

instructables

Botanical Name: Lonicera

Type: Perennial

Blooming Period: Spring through Summer

Honeysuckle is a twining vine or an arching shrub belonging to the Caprifoliaceae family. There are around 180 species identified in Eurasia and North America.

9. Horned Violet

Daily pics of flowers

Botanical Name: Viola cornuta

Type: Perennial

Blooming Period: Spring to Summer

Also known as Viola Cornuta, Horned Violet is a flowering species belonging to the Violaceae family. It usually blooms in cooler weather and is available in various colors.

10. Honesty

leeunsworth_

Botanical Name: Lunaria annua

Type: Perennial

Blooming Period: Spring, Summer until Fall

Honesty is also famous as Lunaria Annua or Annual Honesty, belonging to southwest Asia and the Balkans. The name refers to the seed pods that look like moon.

11. Hosta

waystation_plants

Botanical Name: Hosta

Type: Perennial

Blooming Period: Summer to fall

Hosta is an easy-to-grow perennial that loves shade and is highly valued by many gardeners for its attractive foliage and elegance. It also grow stunning blooms!

Get the best Hosta growing tips here

12. Hydrangea

plantswithstories

Botanical Name: Hydrangea macrophylla

Type: Perennial

Blooming Period: Summer until Fall

Hydrangea flower’s color could be changed from pink to blue by modifying the pH levels of the soil. While a pH between 6 and 7, changes the flowers into bluish-pink or purple.

If the soil is alkaline with a pH value of 7 and above, it produces red and pink Hydrangeas.

Learn how to grow Hydrangea in pots here

13. Hooker’s Orchid Cactus

Botanical Name: Epiphyllum hookeri

Type: Perennial

Blooming Period: Spring, Summer

Hooker’s Orchid Cactus bears a loose mass of flat, long, strappy foliage in a lovely sculptural shape. Interestingly, the flower blooms only during the night and closes by morning.

14. Hummingbird’s Mint

lindacochran

Botanical Name: Agastache cana

Type: Perennial

Blooming Period: Midsummer to Fall

Hummingbird’s Mint is also called Hyssop or Agastache. It bears flowers in shades of raspberry or rose pink that are very attractive to hummingbirds.

15. Hyacinth

ekotjoekofficial

Botanical Name: Hyacinth Orientalis

Type: Perennial

Blooming Period: Spring

Hyacinth bears flowers in blue, white, or pink shades with a strong fragrance. It belongs to the small genus of spring-blooming, bulbous perennials—Hyacinthus.