Here’s a list of flower names that begin with the letter G. With an emphasis on common and easy to grow varieties:
Gaillardia
The Gaillardia flower plant is a small perennial with daisy-like flowers, belonging to the sunflower family. Gaillardia plants are native to North America.
Gaillarde plants have many different colors of flower including orange, yellow and red blooms, and is low maintenance, long flowering plant.
Gardenia
Gardenia is a shrub that grows 5-6 feet tall and it has abundant flowers which are white or yellow in color.
The Gardenia Flower plant is very fragrant with an intense smell of Gardenia blooms.
Some people call Gardenia Plant as Cape Jasmine, but botanically it belongs to the genus Gardenia and the family Rubiaceae.
Garden Angelica
Garden Angelica plant is a flowering plant that can be distinguished from other plants by its double compound umbel inflorescence which contains dozens of small white flowers.
The Garden angelica flower is approximately 1 inch across with white petals that appear like small stars radiating from its center.
Garden Angelica grows best under direct sun exposure and moist soil conditions.
Garden Balsam
Garden Balsam is an annual native wildflower. Garden balsam flowers feature five fringed petals in shades of pink, white or purple.
Garden balsam plants grow to a height of two feet.
Garden balsam plants appear after the first autumn rains throughout most regions of Southern California where they are considered a serious weed by many gardeners who complain that Garden Balsams take over shrubberies and flower beds.
Garden Phlox
Garden phlox features a long blooming time and a fabulous scent. It’s a favorite amongst gardeners, as it requires very little maintenance and has a fast growth rate.
Garden phlox also won’t stop flowering even after the first frost, so there’s no need to worry about re-potting them for winter storage!
Garden Rock Cress
Garden Rock Cress is a low-growing mat-forming snow-in-summer perennial, flowering from early spring to mid-fall, producing fragrant white flowers.
Garden rockcress is found naturally in desert canyons and rocky outcroppings.
It prefers full sun to light shade, well-drained soil, and regular watering for best results.
It can be kept either outside or even indoors.
Garden Stock
Geranium
Geranium is a robust and very decorative plant, which can be grown not only indoors, but also outside in the open.
Because it is perfectly preserved at temperatures close to freezing Geranium has become popular as balconies and window boxes for home decoration
It blooms from spring until late autumn when planted.
Gaura
Gerbera
The Gerbera flower plant (Gerbera jamesonii) is a popular garden favorite.
It belongs to Asteraceae family and Gerbera genus. Gerbera originates from South Africa and tropical regions of Asia and America.
But due to its extensive cultivation, Gerbera has spread around the world and it is often found in gardens and public landscapes throughout temperate regions such as Europe, North America and Australia.
Giant Hyssop
Gladiolus
Globe Amaranth
Globe Amaranth is an annual flowering plant in the genus Gomphrena, family Amaranthaceae. It is native to Central America and Mexico but widely planted as an ornamental worldwide.
Globe amaranth is considered a highly invasive weed in some places.
Globe Amaranth spreads via seeds that are produced by the flowers. They produce a single flower that contains both male and female reproductive organs, hence Globe Amaranth is self-fertile.
Globe Amaranth plants will generally have either white or light pink flowers, but they can also have other colors as well such as purple.
Globe Flower
Globe Flowers are impressive perennial wildflowers that bloom during the spring. The yellow flowers are interestingly shaped like a ball, goblet, or a globe, hence the name.
Globe flower plants are grown commercially for dried flower arrangements, but can also be grown in your own garden.
They require a minimum of six hours of sunlight daily and moist, but well-draining soil.
As such, they thrive when the humidity is high, so, misting them several times per day will help keep them healthy.
While Globe flower plants grow quite easily in the right conditions, they’re still not hardy perennials and should be planted into containers or used as houseplants during cold weather.
Globe Thistle
Globe thistles, sometimes called the blu globe thistle, is a species of flowering plant with a spherical shape. It belongs to the sunflower family.
Godetia
Golden Chamomile
Golden Dew Drop
The spectacularly blooming golden dewdrop is a beautiful tropical flowering shrub that is frequently grown as an annual.
All summer, it provides a stunning spectacle of lovely blue or white flowers to gardeners.
(And in the tropics, golden dewdrop blooms on and off throughout the year).
The flowers are gorgeous, but golden dewdrop gets their common name from its fruit; the gold-yellow berries hang from the stems like earrings (or drops of golden dew if you’re in a poetic mood).
Goldenrod
Goldenrod is a small herbaceous perennial, growing to 75cm in height and having narrow mid-green leaves and conical panicles 30cm long, containing sparkling yellow blooms with yellow stalks.
Gooseneck Loosestrife
Grape Hyacinth
Grape Hyacinth plants can be used as ground cover to naturalize an area of the garden with their lovely purple blooms.
Grape Hyacinth flowers are available in blue, purple, white and yellow colours.
The Grape Hyacinth plant prefers well-drained soil with little competition for nutrients from other plants.
They can be grown indoors near a window but they will need to be watered frequently due to the humidity inside houses.
Grape Hyacinths should only be moved when necessary because it takes several years for them to develop large bulb clusters which produce big blooms.
Great Periwinkle
The Great Periwinkle, also known as Greater periwinkle, is a low-growing groundcover native to the northern hemisphere.
It takes its name from its large perianth tube of blooms.
The Great Periwinkle flower is usually pale lavender-blue with white streaks or dots inside.
Great Periwinkle flowers are between 1/8 and ¼ inches wide, with 5 lobes that are erect or turned outwards on top opening into 3 spreading lips at the bottom.
Although nice on the eye can become invasive if left unchecked.
They have been known to reduce native plant species and alter habitats.
Greater Masterwort
Green Strawberry Hedgehog Cactus
The Green Strawberry Hedgehog Cactus (Echinocereus viridiflorus) is a cactus found in North America.
It has large, bright purple flowers and prefers warm weather, plenty of sunlight and needs shelter from the rain.
During the summer months when it’s hot outside, you may need to water your Green Strawberry Hedgehog Cactus weekly if it doesn’t rain where you live.
Grevillea
Grevilleas are evergreen shrubs or small trees with spirally arranged leaves typically 1–34 cm long, sometimes 0.5–6 m tall.
Flowers are arranged in groups of three to 30 (or more) usually on axillary racemes 3–35 cm long and 2–20 cm broad.
Gumamela
The Gumamela, also known as the hibiscus is a tropical flower that has broad leaves and has five petals.
Gumamelas can be red, pink or white depending on the variety of the plant.
Gypsophila
Have a look at our article about the best online flower shops if you want to purchase any of the above flowers for your garden.