25 Beautiful Flowers That Start With The Letter G

Whether you want to learn about specific flowers or you want a themed garden, we have a list of flowers that start with the letter G that includes vital information you need to get them growing in your garden.

Take a look at this list of flowers that will be a gorgeous addition to any garden.

Quick Look

  1. Gaillardia (Blanket Flower)
  2. Galanthus (Snowdrop)
  3. Garden Phlox
  4. Gardenia
  5. Gazania (African Daisy)
  6. Gentiana
  7. Geranium
  8. Gerbera Daisy
  9. Geum (Avens)
  10. Gladiolus (Sword Lily)
  11. Globe Thistle
  12. Gloriosa (Flame Lily)
  13. Goats Beard
  14. Goat’s Rue
  15. Godetia
  16. Golden Chamomile
  17. Golden Knee
  18. Goldenrod
  19. Gomphrena (Globe Amaranth)
  20. Gooseneck Loosestrife
  21. Greater Burnet
  22. Greek Oregano
  23. Grevillea (Spider Flower)
  24. Guara (Belleza Guara)
  25. Gypsophila (Baby's Breath)

Flowers That Start With G

1. Gaillardia (Blanket Flower)

Gaillarda x grandiflorain 'Kobold' in a Country Cottage Garden

  • Scientific name: Gaillardia x grandiflora
  • Sun: Full sun
  • Water: Keep soil moist, drought tolerant once established
  • Size: 1-3 feet (30-91 centimeters)

Gaillardia is a vibrant yellow and red flower that can withstand drought once it's mature.

2. Galanthus (Snowdrop)

White snowdrop flower, close up. Galanthus blossoms illuminated by the sun in the green blurred background, early spring. Galanthus nivalis bulbous, perennial herbaceous plant in Amaryllidaceae family

  • Scientific name: Galanthus nivalis
  • Sun: Full sun, partial shade
  • Water: Keep soil moist
  • Size: 4-10 inches (10-25 centimeters)

Galanthus, or snowdrop, is an elegant white flower with bell-shaped petals that prefers full sun in a cool climate. The seed needs exposure to temperatures below 20°F (-6°C), so it may not have a good survival rate in warm climates.

3. Garden Phlox

Garden Phlox paniculata, vivid summer flowers. Creeping Phlox subulata, also known as the moss phlox.

  • Scientific name: Phlox paniculata
  • Sun: Full sun, partial shade
  • Water: Keep soil moist
  • Size: 2-4 feet (60-121 centimeters)

Garden phlox grows clusters of small flowers in pinks, purples, white, or a combination of the three. The flowers will need to be watered frequently during summer and should be pruned to allow airflow.

4. Gardenia

Blooming White Gardenia Flower Blossom with leaves background

  • Scientific name: Gardenia jasminoides
  • Sun: Partial shade, full shade, bright indirect light
  • Water: Partially drought tolerant
  • Size: 4-8 feet (1-2.5 meters)

Gardenia is a small shrub that grows beautiful flowers that are typically white but can sometimes be yellow. This shrub should be grown in mostly shaded areas. It can be grown as a house plant and should receive indirect but bright light indoors.

5. Gazania (African Daisy)

Gazania rigens (l.) gaertn, Asteraceae family

  • Scientific name: Gazania rigens
  • Sun: Full sun
  • Water: Allow soil to dry between waterings
  • Size: 6-12 inches (15-30 centimeters)

Gazania is best known as the African daisy or the treasure flower. This plant prefers sandy soil in cool areas. In places with hot summers, the plants might stop producing flowers until the weather cools down in the fall.

6. Gentiana

Flower of the sweet-lady or Clusius gentian (Gentiana clusii)

  • Scientific name: Gentiana clusii
  • Sun: Full sun, afternoon shade
  • Water: Keep soil moist
  • Size: 3-6 inches (7-15 centimeters)

Gentiana is a cool weather plant that doesn't always flower. It likes full sun, but it will look its best when it receives shade during the afternoon during the heat of the day.

7. Geranium

Wild geranium with droplets after a rain in the springtime woods

  • Scientific name: Geranium maculatum
  • Sun: Partial shade
  • Water: Keep soil moist or slightly dry
  • Size: 1-2 feet (30-60 centimeters)

Geranium is a showy flower boasting pinks, blues, and purples that bloom in the spring. This flower is commonly used to attract pollinators.

8. Gerbera Daisy

Coloful potted Gerbera daisies in red and yellow standing outdoors in a flower shop. Beautiful bright Gerbera jamesonii close-up. Floral background

  • Scientific name: Gerbera jamesonii
  • Sun: Full sun, partial shade
  • Water: Keep soil moist
  • Size: 12-18 inches (30-45 centimeters)

Gerbera daisies are a popular choice for cut flowers. They come in various shades of red, orange, yellow, pink, and white. When grown outside, they grow best in warm, coastal climates.

9. Geum (Avens)

Geum flower prefer direct sunlight

  • Scientific name: Geum
  • Sun: Full sun, partial shade
  • Water: Keep soil moist, partially drought tolerant
  • Size: 6-18 inches (15-45 centimeters)

Geum, or Avens, is a short plant that produces many brightly colored flowers. The plant prefers cool climates but may be able to adapt to warmer areas.

10. Gladiolus (Sword Lily)

A closeup of gladiolus in a field in St. Louis.

  • Scientific name: Gladiolus
  • Sun: Full sun
  • Water: Keep soil moist
  • Size: 1-6 feet (0.3-1.8 meters)

The gladiolus, or sword lily, is part of the iris family and is often used on the edges of flower beds since they're tall and slender.

11. Globe Thistle

Veitch's Blue Globe Thistle or Echinops ritro 'Veitch's Blue'

  • Scientific name: Echinops ritro
  • Sun: Full sun
  • Water: Drought tolerant
  • Size: 2-4 feet (60-121 centimeters)

Globe thistle is an excellent addition to your garden if you're looking to attract pollinators. The plant can adapt to various climates, making it easy to care for.

12. Gloriosa (Flame Lily)

Close up view of Gloriosa superba flower

  • Scientific name: Gloriosa
  • Sun: Full sun, partial shade
  • Water: Keep soil moist
  • Size: 5-6 feet (1.5-1.8 meters)

The Gloriosa Flame Lily is a unique vining flower that's highly toxic if it's eaten. Eating any part of the plant can be fatal, so do not plant it where animals and children can access it.

13. Goats Beard

Aruncus dioicus, forest, is a beautiful, stout herb, our native. It grows to a height of up to 1m. From June to the end of the wonderful large laths of creamy white flowers

  • Scientific name: Aruncus dioicus
  • Sun: Full sun, partial shade
  • Water: Keep soil moist
  • Size: 3-6 feet (0.91-1.8 meters)

Goats beard is a shrub that grows feather-like spikes that are white. It may take up to three growing seasons for it to reach full size.

14. Goat's Rue

Wild plant, scientific name; Galega officinalis

  • Scientific name: Galega officinalis
  • Sun: Partial shade
  • Water: Keep soil moist
  • Size: 4 feet (1.2 meters)

Goat's rue is another type of plant that grows spikes and soft purple flowers. It's a nitrogen-fixing plant, so it's a good choice where you need to revitalize the soil.

15. Godetia

A macro shot of a pink and red godetia bloom

  • Scientific name: Clarkia hybrids
  • Sun: Full sun, partial shade
  • Water: Allow soil to dry between waterings
  • Size: 1-3 feet (30-91 centimeters)

Godetia grows best in cool climates where it can have cool temperatures at night during the summer. The flowers will bloom in summer and fall.

16. Golden Chamomile

Faerberhound chamomile, Anthemis tinctoria, is an important medicinal plant with yellow flowers and is widely used in medicine. It is a perennial and one of the Faerber plants

  • Scientific name: Anthemis tinctoria
  • Sun: Full sun
  • Water: Keep soil moist, partially drought tolerant
  • Size: 2-3 feet (60-91 centimeters)

Golden chamomile is a type of chamomile that is solid yellow. It's only drought tolerant when it is consistently moist, but it can't live in hot and humid areas, such as the southern United States.

17. Golden Knee

Goldenstar (Chrysogonum virginianum) in early spring woodland in central Virginia

  • Scientific name: Chrysogonum virginianum
  • Sun: Partial shade, full shade
  • Water: Keep soil moist
  • Size: 1-2 inches (2-5 centimeters)

Golden knee is a small plant that grows as a ground cover in woodland areas. It needs minimal direct sun and can even live without it. The soil should be kept wet, and in return, you'll see little yellow flowers.

18. Goldenrod

Yellow flowers of the goldenrod plant with bees between its stunning bright flowers. It is a very common wildflower. All goldenrods are late bloomers, flowering in late Summer into the Fall.

  • Scientific name: Solidago
  • Sun: Full sun
  • Water: Keep soil moist
  • Size: 1.5-5 feet (0.3-1.5 meters)

Solidago goldenrod is a mid-sized plant that grows clusters of tiny yellow flowers. These clusters will have a fluffy look to them from a distance, making them a point of interest in your garden.

19. Gomphrena (Globe Amaranth)

Closeup view of Gomphrena globosa flower from a garden

  • Scientific name: Gomphrena globosa
  • Sun: Full sun
  • Water: Drought tolerant
  • Size: 1-2 feet (30-60 centimeters)

Gomphrena, also known as globe amaranth, has bright, spherical blooms that come in various purple hues.

20. Gooseneck Loosestrife

Lysimachia clethroides blooms in the summer in a shady garden

  • Scientific name: Lysimachia clethroides
  • Sun: Full sun
  • Water: Drought tolerant
  • Size: 1-2 feet (30-60 centimeters)

Gooseneck loosestrife grows clusters of small white flowers on spikes. This plant can easily become a weed since it disperses so many seeds. Plant near hardscapes or cut off the spikes before the seeds are fully developed to prevent the spread.

21. Greater Burnet

Sanguisorba officinalis flowers, edible medicinal plant.

  • Scientific name: Sanguisorba officinalis
  • Sun: Full sun
  • Water: Keep soil moist
  • Size: 2.5-3 feet (76-91 centimeters)

Greater burnet grows spikes of dark purple-red flower clusters. The leaves are edible and can be eaten in salads.

22. Greek Oregano

white flowers of origanum vulgare subs.

  • Scientific name: Origanum vulgare subsp. hirtum
  • Sun: Full sun
  • Water: Drought tolerant
  • Size: 0.5-2 feet (15-60 centimeters)

Greek oregano is often used in cooking because of its spicy taste, but its beautiful flowers make it a great addition to edible and ornamental gardens.

23. Grevillea (Spider Flower)

Beautiful pink grevillea flower against soft green background with bloom detail including pistils and stamens

  • Scientific name: Grevillea
  • Sun: Full sun
  • Water: Drought tolerant
  • Size: 3-20 feet (0.9-6 meters)

Grevillea, or the spider flower, is highly poisonous to the touch. Itching and blisters will likely occur soon after touching the plant. Handle it with gloves and other forms of skin protection and keep it away from pets and children.

24. Guara (Belleza Guara)

Pink Flower - Pink and White - Guara - Garden - Gardening

  • Scientific name: Oenothra lindeheimeri “Belleza”
  • Sun: Full sun, partial shade
  • Water: Keep soil moist or slightly dry
  • Size: 2-4 feet (60-121 centimeters)

Guara is a compact shrub that grows vibrant pink or white flowers. The Belleza Guara is a trademarked cultivar of Oenothra lindeheimeri that has pink flowers.

25. Gypsophila (Baby's Breath)

The name of these flowers is Annual Baby's-breath,Showy Baby's-breath. Scientific name is Gypsophila elegans.

  • Scientific name: Gypsophila elegans
  • Sun: Full sun, partial shade
  • Water: Drought tolerant
  • Size: 0.5-2 feet (15-60 centimeters)

Gypsophila is most commonly known as babies breath. The plant is popular in floral arrangements and is a great choice for climates that receive little rain, as too much rain will cause it to develop root rot.

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