20 Beautiful Flowers That Start With H

Flowers that start with the letter H include some of the most popular and beloved blooms. With their diversity of form, color and growing habits, these plants bring unmatched beauty to gardens and landscapes. In this article, we’ll explore 20 gorgeous flowers starting with H and tips for growing them successfully.

Eye-Catching H Flowers

1. Hibiscus

Known for their huge, flamboyant blooms, hibiscus flowers make a dramatic statement in the garden. They come in a vibrant range of colors like red, pink, orange, yellow and white. Hibiscus prefers warm climates and does best in zones 9-11, though some varieties tolerate cooler temperatures. Provide them with full sun and well-drained soil.

2. Hyacinth

Hyacinths are prized for their extremely fragrant, densely packed flower clusters that bloom in spring. Their blooms come in shades of purple, blue, pink, red, orange, yellow and white. Plant the bulbs in fall in zones 4-9. Hyacinths do best in full sun to part shade and well-drained soil.

3. Hollyhock

With their tall spires covered in ruffly, colorful blooms, hollyhocks add gorgeous vertical architecture to the garden. They bloom in a wide palette including red, pink, orange, yellow, white and bicolors. Hollyhocks grow best as biennials or short-lived perennials in zones 3-9. Give them full sun and fertile, well-drained soil.

4. Hellebore

Also called Lenten or Christmas rose hellebores produce elegant cup-shaped blooms very early in the gardening season. The flowers come in white, pink, burgundy, green and bicolored shades. Hellebores are hardy in zones 4-9 and thrive in part to full shade and rich moist soil.

5. Hosta

Grown primarily for their attractive foliage, hostas also produce charming lavender or white blooms on tall scapes The plants thrive as perennials in zones 3-9, preferring partial to full shade and consistent moisture. Foliage colors range from blue-green to yellow and variegated forms.

6. Hydrangea

Beloved for their large, showy flower heads, hydrangeas offer long-lasting summer color. Blooms can be blue, pink, purple, white or green based on soil pH. Give them morning sun and afternoon shade. Grow hydrangeas as shrubs in zones 3-9 according to the variety.

7. Hesperis

Also called dame’s rocket, hesperis blooms in late spring with sweetly fragrant flowers similar to phlox. The blooms appear in white, pink, purple and bicolors. Hesperis grows best as a short-lived perennial or biennial in zones 4-8. It thrives in full sun to part shade and moist, fertile soil.

8. Helianthus

Commonly known as sunflower, helianthus produces familiar, cheery blooms following the sun. Flower colors include classic yellow and also red, mahogany, white and more. Sunflowers grow best as annuals in all zones but also some perennial species for zones 3-9. Give them full sun and rich, moist soil.

More Marvelous H Flowers

9. Heuchera

Grown for their decorative ruffled foliage, heucheras also bear airy spikes of bell-shaped white or pink flowers. Foliage colors include green, burgundy and variegated forms. Grow heucheras as perennials in zones 4-9, in part shade with well-drained soil.

10. Honeysuckle

Renowned for their sweet scent, honeysuckle vines and shrubs produce abundant tubular blooms in shades of white, yellow, orange and red. They’re hardy in zones 4-9. Grow honeysuckles in full sun to part shade with well-drained, fertile soil.

11. Helenium

Also called sneezeweed, helenium bears cheerful daisy-like blooms in late summer and fall. Colors include yellow, burnt orange and burgundy. Grow these perennials in full sun in zones 3-8, with well-drained soil.

12. Hypericum

Commonly called St. John’s wort, hypericum produces loads of bright yellow flowers from early to late summer. Choose from shrubby and groundcover types for zones 5-9, growing in full sun to part shade.

13. Helichrysum

These heat-loving plants produce papery, everlasting flower heads ideal for drying. Blooms come in white, pink, red, orange and yellow. Grow helichrysums as annuals or perennials (zone 9-11) in full sun and well-drained soil.

14. Heather

Heathers are prized for their tiny bell-shaped blooms that smother the foliage in winter and spring. Popular in zones 4-6, heathers thrive in full sun to part shade with acidic, sandy soil. Flower colors include white, pink and purple.

15. Houstonia

Houstonia produces delicate, starry flowers in shades of lavender, blue and white. Also called bluets or Quaker ladies, these sweet groundcover plants thrive as perennials in zones 5-10. Give them dappled shade and moist, rich soil.

16. Harebell

Featuring nodding purple-blue bell flowers on slender stems, harebell is a favorite perennial for zones 3-8. It prefers partial shade and average to poor, well-drained soil. Harebell adds graceful beauty to rock gardens, borders and wildflower meadows.

17. Hyssop

Blooming in summer with fragrant flower spikes, hyssop thrives as a perennial herb in zones 3-11. It produces blue, white or pink flowers. Grow it in full sun and well-drained soil. Use hyssop’s flowers and leaves for tea, seasonings and natural remedies.

18. Hoya

Also called wax plant, hoya is a vining houseplant adorned with waxy star-shaped blooms. It blooms best in bright light with average room temperatures and humidity. Flower colors range from white to pink, red and variegated shades.

19. Hieracium

Commonly called hawkweed, hieracium produces yellow, orange or red daisy-like flowers on leafy stalks. Grow these perennials in zones 3-9 in full sun to partial shade. While beautiful, some species spread aggressively.

20. Habranthus

Pretty trumpet-shaped flowers in pink, orange, red or yellow characterize habranthus bulbs. Grow them as summer-dormant perennials in zones 7-10. They need well-drained soil and full sun to light shade.

Growing Tips for H Flowers

When growing flowers that start with H, pay close attention to each variety’s specific needs for sun exposure, soil type, and climate. Most prefer full sun to part shade and well-drained soil. Water regularly until established. Mulch to retain moisture and prevent weeds. Deadhead spent blooms for reblooming. Stake tall varieties like hollyhocks and heleniums for support. Prune shrubs like hydrangeas and hibiscus in late winter. Cover tender species like habranthus in cold climates. With proper care, your H flowers will thrive and put on a gorgeous floral display!