75 Flowers that Start with “H”

Here's an extensive list and searchable directory of flowers that start with "H". For each listing, learn the scientific name, water requirements, sun requirements and many other important flower info.
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High Mallow flower

Below is our expansive gallery and directory featuring flowers that start with “H”.  Perhaps you’re looking for a particular flower and all you know is that the first letter is H.  We have you covered here.

Easy to grow and adaptable, the High Mallow (an example of a flower that starts with H) can survive in full sun to part shade, in medium moisture to well-drained soils, from seed and will self-pollinate. It can also be grown as annuals, biennials and even as perennials, albeit short-lived. No wonder it has easily grown wild and can be found in many parts of the world.

Native to Europe, western Asia and northern Africa, these long-stalked plants with rose-purple and dark-striped petals can typically grow to 2-4’ tall. Its basal leaves are rounded, kidney-shaped and rough-hairy and can grow to 2-4” long while the upper leaves are triangular.

Hairy Stemmed Rhipsalis (Rhipsalis Pilocarpa)

Hairy Stemmed Rhipsalis (Rhipsalis Pilocarpa)
Common Name:
Hairy Stemmed Rhipsalis
Scientific Name:
Rhipsalis Pilocarpa
Type:
Cactus/Succulent
Water:
Dry to Medium
Soil PH:
6.1 to 7.8
Flower Color:
White
Special Characteristics:
Container, Tolerates Drought, Easy to grow
Hardiness Zone(s):
9 to 11
Height At Maturity:
18" to 36"
Sun:
Full Sun to Part Shade
Sub Type:
Evergreen

Hardy hibiscus (Hibiscus “Kopper King”)

Hardy hibiscus (Hibiscus "Kopper King")
Common Name:
Hardy hibiscus
Scientific Name:
Hibiscus "Kopper King"
Type:
Perennial
Water:
Tolerates wet soil
Soil PH:
6.1 - 7.5
Flower Color:
Light pink with red eye
Special Characteristics:
Attracts butterflies, deer-resistant, showy flowers, easy-to-grow
Hardiness Zone(s):
4 to 9
Height At Maturity:
36-48"
Sun:
Full sun
Sub Type:
Groundcover

Hardy hibiscus (Hibiscus “Lord Baltimore”)

Hardy hibiscus (Hibiscus "Lord Baltimore")
Common Name:
Hardy hibiscus
Scientific Name:
Hibiscus "Lord Baltimore"
Type:
Perennial
Water:
Tolerates wet soil
Soil PH:
5.5 - 7.5
Flower Color:
Crimson red
Special Characteristics:
Attracts butterflies, deer-resistant, showy flowers, easy-to-grow
Hardiness Zone(s):
5 to 9
Height At Maturity:
48-60"
Sun:
Full sun
Sub Type:
Groundcover

Hardy hibiscus (Hibiscus moscheutos “Disco Belle White”)

Hardy hibiscus (Hibiscus moscheutos "Disco Belle White")
Common Name:
Hardy hibiscus
Scientific Name:
Hibiscus moscheutos "Disco Belle White"
Type:
Perennial
Water:
Medium to wet
Soil PH:
6-8
Flower Color:
White with maroon eye
Special Characteristics:
Attracts butterflies, deer-resistant, showy flowers, easy-to-grow
Hardiness Zone(s):
5 to 9
Height At Maturity:
24-30"
Sun:
Full sun

Hardy hibiscus (Hibiscus moscheutos “Luna Pink Swirl”)

Hardy hibiscus (Hibiscus moscheutos "Luna Pink Swirl")
Common Name:
Hardy hibiscus
Scientific Name:
Hibiscus moscheutos "Luna Pink Swirl"
Type:
Perennial
Water:
Medium to wet
Soil PH:
5.5-6.5
Flower Color:
White with pink markings and a red center
Special Characteristics:
Attracts butterflies, deer-resistant, showy flowers, easy-to-grow
Hardiness Zone(s):
5 to 9
Height At Maturity:
24-36"
Sun:
Full sun

Hardy hibiscus (Hibiscus moscheutos “Luna Red”)

Hardy hibiscus (Hibiscus moscheutos "Luna Red")
Common Name:
Hardy hibiscus
Scientific Name:
Hibiscus moscheutos "Luna Red"
Type:
Perennial
Water:
Medium to wet
Soil PH:
6-6.5
Flower Color:
Deep burgandy red
Special Characteristics:
Attracts butterflies, deer-resistant, showy flowers, easy-to-grow
Hardiness Zone(s):
5 to 9
Height At Maturity:
24-36"
Sun:
Full sun

Hardy impatiens (Impatiens Omeiana)

Hardy impatiens (Impatiens Omeiana)

Common Name:
Hardy Impatiens
Scientific Name:
Impatiens Omeiana
Type:
Perennial
Water:
Needs Moderate Moisture
Soil PH:
6.0 to 7.5
Flower Color:
Orange, Apricot, Yellow
Special Characteristics:
Container
Hardiness Zone(s):
6 to 9
Height At Maturity:
9" to 18"
Sun:
Partial shade to Full Shade
Sub Type:
Groundcover

Hardy primrose (Primula kisoana)

Hardy primrose (Primula kisoana)
Common Name:
Hardy primrose
Scientific Name:
Primula kisoana
Type:
Perennial
Water:
Medium
Soil PH:
6.1-6.5
Flower Color:
Pink to rose mauve
Special Characteristics:
Attracts butterflies, showy flowers, container
Hardiness Zone(s):
4 to 8
Height At Maturity:
6-8"
Sun:
Part shade
Sub Type:
Groundcover

Heather Plant (Calluna Vulgaris)

Heather Plant (Calluna Vulgaris)
Common Name:
Heather Plant
Scientific Name:
Calluna vulgaris
Type:
Shrub
Water:
Moderate
Soil PH:
4.5 to 6.5
Flower Color:
Pink, Red, Purple, White
Special Characteristics:
Container, showy flowers
Hardiness Zone(s):
4 to 9
Height At Maturity:
6-24"
Sun:
Full Sun to Part Shade
Sub Type:
Evergreen

Heavenly Bamboo (Nandina domestica)

Heavenly Bamboo (Nandina domestica)
Common Name:
Heavenly Bamboo
Scientific Name:
Nandina domestica
Type:
Shrub
Water:
Needs moderate moisture
Soil PH:
5.6-6.5
Flower Color:
Burgundy, bronze-green
Special Characteristics:
Poisonous
Hardiness Zone(s):
6-11
Height At Maturity:
72-96"
Sun:
Full Sun, Partial Shade
Sub Type:
Evergreen

Hebe Shrub (Hebe)

Hebe Shrub (Hebe)
Common Name:
Hebe Shrub
Scientific Name:
Hebe
Type:
Shrub
Water:
Moderate
Soil PH:
6.6 to 7.8
Flower Color:
White, Violet
Special Characteristics:
Attracts birds and butterflies, Showy Flowers, Container
Hardiness Zone(s):
9-10
Height At Maturity:
48" to 72"
Sun:
Full Sun to Part Shade
Sub Type:
Evergreen

Hellebore (Helleborus “Royal Heritage”)

Hellebore (Helleborus "Royal Heritage")
Common Name:
Hellebore
Scientific Name:
Helleborus "Royal Heritage"
Type:
Perennial
Water:
Medium
Soil PH:
7.2-7.5
Flower Color:
Purple, red, white, green, pink
Special Characteristics:
Tolerates deer
Hardiness Zone(s):
4 to 9
Height At Maturity:
12-15”
Sun:
Part shade to full shade
Sub Type:
Groundcover

Hellebore (Helleborus odorus)

Hellebore (Helleborus odorus)
Common Name:
Hellebore
Scientific Name:
Helleborus odorus
Type:
Perennial
Water:
Medium
Soil PH:
6.1-7.5
Flower Color:
Dark green to apple-green to yellow-green
Special Characteristics:
Tolerates deer, showy, fragrant flowers
Hardiness Zone(s):
6 to 8
Height At Maturity:
14-22”
Sun:
Part shade to full shade
Sub Type:
Groundcover

Hellebore (Helleborus orientalis)

Hellebore (Helleborus orientalis)
Common Name:
Hellebore
Scientific Name:
Helleborus orientalis
Type:
Perennial
Water:
Medium
Soil PH:
5.5 to 7.0
Flower Color:
White to pink to rose-purple with yellow stamens
Special Characteristics:
Deer-resistant, showy flowers, easy to grow
Hardiness Zone(s):
4 to 9
Height At Maturity:
12-18”
Sun:
Part shade to full shade
Sub Type:
Groundcover

Hellebore (Helleborus orientalis)

Hellebore (Helleborus orientalis)
Common Name:
Hellebore
Scientific Name:
Helleborus orientalis
Type:
Perennial
Water:
Medium
Soil PH:
6.0 to 7.5
Flower Color:
White to pink to rose-purple with yellow stamens
Special Characteristics:
Deer-resistant, showy flowers
Hardiness Zone(s):
4 to 9
Height At Maturity:
12-18'
Sun:
Part shade to full shade
Sub Type:
Groundcover

Hemlock Tree (Tsuga)

Hemlock Tree (Tsuga)
Common Name:
Hemlock Tree
Scientific Name:
Tsuga
Type:
Shrub, Tree
Water:
Moderate
Soil PH:
4.5 to 7
Special Characteristics:
Tolerates Deer,
Hardiness Zone(s):
3 to 7
Height At Maturity:
25' to 30'
Sun:
Full Sun to Part Shade
Sub Type:
Evergreen

Hemp agrimony (Eupatorium chinense)

Hemp agrimony (Eupatorium chinense)

Common Name:
Hemp agrimony
Scientific Name:
Eupatorium chinense
Type:
Perennial
Water:
Medium to wet
Soil PH:
5-6.3
Flower Color:
White, purple, red or pink
Special Characteristics:
Attracts butterflies, deer-resistant, showy flowers, easy-to-grow
Hardiness Zone(s):
6 to 9
Height At Maturity:
30-48"
Sun:
Full sun
Sub Type:
Groundcover

Hepatica (Hepatica nobilis)

Hepatica (Hepatica nobilis)
Common Name:
Hepatica
Scientific Name:
Hepatica nobilis
Type:
Perennial
Water:
Medium to wet
Soil PH:
4.5-6
Flower Color:
blue, violet, white, pink
Special Characteristics:
Attracts birds and butterflies
Hardiness Zone(s):
5 to 8
Height At Maturity:
3-4"
Sun:
Full Shade
Sub Type:
Groundcover

Hepatica (Hepatica nobilis)

Hepatica (Hepatica nobilis)
Common Name:
Hepatica
Scientific Name:
Hepatica nobilis
Type:
Perennial
Water:
Moderate
Soil PH:
4.5 to 6
Flower Color:
Blue, violet, purple
Hardiness Zone(s):
5 to 8
Height At Maturity:
4" to 6 "
Sun:
Full Shade to Partial Shade
Sub Type:
Evergreen

Hepatica (Hepatica transsilvanica)

Hepatica (Hepatica transsilvanica)
Common Name:
Hepatica Hepatica transsilvanica
Scientific Name:
Hepatica transsilvanica
Type:
Perennial
Water:
Medium
Soil PH:
6.1-7.8
Flower Color:
Pale blue to bright blue
Special Characteristics:
Showy flowers, easy-to-grow
Hardiness Zone(s):
4 to 7
Height At Maturity:
6-9"
Sun:
Part shade
Sub Type:
Groundcover

Hibiscus Bush (Hibiscus)

Hibiscus Bush (Hibiscus)
Common Name:
Hibiscus Bush
Scientific Name:
Hibiscus
Type:
Shrub, Perennial
Water:
Moderate
Soil PH:
7.0
Flower Color:
red, orange, yellow
Special Characteristics:
Attracts birds and butterflies, Container, Deer Resistant
Hardiness Zone(s):
5 to 9
Height At Maturity:
36" to 240"
Sun:
Full Sun to Part Shade
Sub Type:
Deciduous

High mallow (Malva sylvestris)

High mallow (Malva sylvestris)
Common Name:
High mallow
Scientific Name:
Malva sylvestris
Type:
Perennial
Water:
Medium
Soil PH:
6-8
Flower Color:
Rose-purple with darker stripes
Special Characteristics:
Showy flowers, easy-to-grow
Hardiness Zone(s):
4 to 8
Height At Maturity:
24-48"
Sun:
Full sun to part shade
Sub Type:
Groundcover

Highbush Blueberry (Vaccinium corymbosum)

Highbush Blueberry (Vaccinium corymbosum)
Common Name:
Highbush Blueberry
Scientific Name:
Vaccinium corymbosum
Type:
Shrub
Water:
Tolerates wet soil
Soil PH:
4.5 and below
Flower Color:
White/Near white
Special Characteristics:
Edible
Hardiness Zone(s):
3-9
Height At Maturity:
120-144"
Sun:
Full Sun to Part Shade
Sub Type:
Deciduous

Hoary vervain (Verbena stricta)

Hoary vervain (Verbena stricta)
Common Name:
Hoary vervain
Scientific Name:
Verbena stricta
Type:
Perennial
Water:
Dry to medium
Soil PH:
6-8
Flower Color:
Blue-purple
Special Characteristics:
Attracts butterflies, showy flowers, easy-to-grow
Hardiness Zone(s):
4 to 7
Height At Maturity:
24-48'
Sun:
Full sun
Sub Type:
Groundcover

Hollow root (Corydalis cava)

Hollow root (Corydalis cava)
Common Name:
Hollow root
Scientific Name:
Corydalis cava
Type:
Perennial
Water:
Medium
Soil PH:
8-10
Flower Color:
Red
Special Characteristics:
Poisonous
Hardiness Zone(s):
5-9
Height At Maturity:
6"-39"
Sun:
Full Shade
Sub Type:
Groundcover

Hollow root (Corydalis cava)

Hollow root (Corydalis cava)
Common Name:
Hollow root
Scientific Name:
Corydalis cava
Type:
Perennial
Water:
Moderate Moisture
Soil PH:
8 to 10
Flower Color:
Violet, red
Hardiness Zone(s):
5 to 9
Height At Maturity:
1" to 8"
Sun:
Full Shade
Sub Type:
Deciduous

Holly Bushes (Ilex)

Holly Bushes (Ilex)
Common Name:
Holly Bushes
Scientific Name:
Ilex
Type:
Shrub
Water:
Moderate
Soil PH:
5 to 6
Special Characteristics:
Tolerates Deer, Attracts birds
Hardiness Zone(s):
5 to 9
Height At Maturity:
15' to 30'
Sun:
Full Sun to Part Shade
Sub Type:
Evergreen

Hollyhock (Alcea rosea “Nigra”)

Hollyhock (Alcea rosea "Nigra")
Common Name:
Hollyhock
Scientific Name:
Alcea rosea "Nigra"
Type:
Perennial
Water:
Medium
Soil PH:
6.1-7.8
Flower Color:
Dark maroon, almost black
Special Characteristics:
Attracts hummingbirds and butterflies, tolerates rabbit, showy flowers
Hardiness Zone(s):
2 to 9
Height At Maturity:
60-96"
Sun:
Full sun

Hollyhock (Alcea rosea)

Hollyhock (Alcea rosea)

Common Name:
Hollyhock
Scientific Name:
Alcea rosea
Type:
Perennial
Water:
Medium
Soil PH:
6-8
Flower Color:
White, pink & red
Special Characteristics:
Attracts birds and butterflies
Hardiness Zone(s):
2 to 10
Height At Maturity:
60"-96"
Sun:
Full Sun
Sub Type:
Climber

Hollyhock (Alcea rosea)

Hollyhock (Alcea rosea)
Common Name:
Hollyhock
Scientific Name:
Alcea rosea
Type:
Perennial
Water:
Medium
Soil PH:
6-8
Flower Color:
White, pink, & red
Special Characteristics:
Attracts birds and butterflies, showy flowers, tolerates rabbit
Hardiness Zone(s):
2 to 10
Height At Maturity:
72-96"
Sun:
Full sun
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Flowers bloom from July to September and as the flowers begin to fall, that’s the only time its fruits begin to develop. Small, rounded and disc-shaped, many think that the fruit of a High Mallow looks like a miniature cheese wheel. For this reason, plants of the same genus have common names such as cheese, cheese plant and cheeseweed.

Know more about the perennial flower High Mallow plus all other interesting plants and flowers that start with H.

Not a lot of websites thoroughly list plants and flowers alphabetically.  However, because we have a database set up, we’re able to offer a comprehensive listing of plants and flowers that you can filter alphabetically.

Be sure to also check out our entire garden directory where you’ll find annuals as well.












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