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15522 plants by
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Blue False Indigo

Baptisia australis
Baptisia australis Baptisia australis Baptisia australis Baptisia australis Baptisia australis Baptisia australis Baptisia australis Baptisia australis Baptisia australis flower Baptisia australis flower Baptisia australis flower Baptisia australis flower
2 Cultivars/Varieties

Blue Felicia

Felicia amelloides
bushy groundcover with pale blue daisy "flowers" bushy groundcover with pale blue daisy "flowers" Pale blue daisy "flowers" Pale blue daisy "flowers"

Blue Fescue

Festuca glauca
Form in September in Kursk Region, Russia Form in September in Kursk Region, Russia Seedhead in August in Breckenridge, Colorado Seedhead in August in Breckenridge, Colorado
8 Cultivars/Varieties

Bluefire European Plum

Prunus domestica 'Bluefire'

Blue Flax

Linum perenne
Form in July in Darmstadt in Germany Form in July in Darmstadt in Germany Flower in August in Buryat in Russia Flower in August in Buryat in Russia Seedpod, Stem & leaves in August in Buryat in Russia Seedpod, Stem & leaves in August in Buryat in Russia

Blue Flax

Linum lewisii
Dark blue, 5-petaled flower with a pale yellow center. Dark blue, 5-petaled flower with a pale yellow center. flower buds flower buds seed capsules seed capsules A low mounded plant covered with pale blue flowers. A low mounded plant covered with pale blue flowers. Close up on the pale blue flowers. Close up on the pale blue flowers.

Blue Fleabane

Erigeron acris
leaves and flowers leaves and flowers leaves and flowers leaves and flowers leaves and flowers leaves and flowers leaves and flowers leaves and flowers Erigeron philadelphicus Erigeron philadelphicus Erigeron philadelphicus Erigeron philadelphicus

Blueflower Butterwort

Pinguicula caerulea
Pinguicula caerulea Pinguicula caerulea Color illustration of the technical details of this species. Color illustration of the technical details of this species. Close up of flower Close up of flower Side view of flower Side view of flower Basal leaves Basal leaves Leaf closeup Leaf closeup

Blue Forest Juniper

Juniperus horizontalis 'Blue Forest'
Juniperus horizontalis Juniperus horizontalis

Blue Foxglove

Campanula trachelium
Campanula trachelium flower Campanula trachelium flower Bloom close up Bloom close up Bloom close up Bloom close up Flower and upper leaves Flower and upper leaves Campanula trachelium form Campanula trachelium form Form Form
3 Cultivars/Varieties

Blue Freesias

Babiana nervosa
Babiana stricta Babiana stricta Flowers Flowers Purple flower Purple flower Green upright lance-shaped ribbed leaves Green upright lance-shaped ribbed leaves Form in bloom with a whitish flower Form in bloom with a whitish flower Closeup of a whitish flower with 6 petals Closeup of a whitish flower with 6 petals
2 Cultivars/Varieties

Bluefruit Dogwood

Cornus foemina
Cornus foemina Cornus foemina Cornus foemina Cornus foemina Cluster of small, white, 4-petaled flowers. Cluster of small, white, 4-petaled flowers. Cluster of small, white, 4-petaled flowers. Cluster of small, white, 4-petaled flowers. Hand cradling a leafy branch with opposite, ovate leaves. Hand cradling a leafy branch with opposite, ovate leaves. Hand cradling a leafy branch with blue berry-like fruits. Hand cradling a leafy branch with blue berry-like fruits.

Blue Gentian

Gentiana catesbaei
Form Form Flowers in the fall, NC Sandhills Game Land Flowers in the fall, NC Sandhills Game Land Flower and leaves in November, NC Sandhills Game Land Flower and leaves in November, NC Sandhills Game Land Opposite leaves in November, NC Sandhills Game Land Opposite leaves in November, NC Sandhills Game Land

Blue Gilia

Gilia capitata
Form Form Flower Flower Flower close up Flower close up Leaves and flowers Leaves and flowers Flower and stem Flower and stem Flower Flower

Blue Globe Onion

Allium caeruleum
Flowers Flowers habitat habitat Form and leaves Form and leaves Flower Flower Flower Flower Flower Flower
2 Cultivars/Varieties

Blue Glory Bower

Rotheca myricoides 'Ugandense'
Rotheca myricoides ‘Ugandense’ Rotheca myricoides ‘Ugandense’ Rotheca myricoides ‘Ugandense’ Rotheca myricoides ‘Ugandense’

Blue Gramma

Bouteloua gracilis
mat of grassy turf in dry soil. mat of grassy turf in dry soil. base of grass clumb in dry soil. base of grass clumb in dry soil. Tall stalks bearing secund spikelets. Tall stalks bearing secund spikelets. Single dark purple secund spikelet. Single dark purple secund spikelet.
1 Cultivar/Variety

Blue Green Moor Grass

Sesleria heufleriana
Form in July in Chernivtsi in Ukraine Form in July in Chernivtsi in Ukraine Seeds in May in Khmelnytskyy in Ukraine Seeds in May in Khmelnytskyy in Ukraine

Blue Hair Grass

Koeleria glauca
Clumping form Clumping form Buff silvery colored flowers Buff silvery colored flowers Blue-green leaves Blue-green leaves
2 Cultivars/Varieties

Blue Haw

Viburnum cassinoides
Form Form Flowers Flowers Leaves Leaves Fall color Fall color Fruit Fruit Stem Stem

Bluehead Gilia

Gilia capitata
Form Form Flower Flower Flower close up Flower close up Leaves and flowers Leaves and flowers Flower and stem Flower and stem Flower Flower

Blue-head Gily-flower

Gilia capitata
Form Form Flower Flower Flower close up Flower close up Leaves and flowers Leaves and flowers Flower and stem Flower and stem Flower Flower

Blue Heaven Juniper

Juniperus scopulorum 'Blue Heaven'
Juniperus scopulorum 'Blue Heaven' Juniperus scopulorum 'Blue Heaven' Juniperus scopulorum 'Blue Heaven' Juniperus scopulorum 'Blue Heaven' Juniperus scopulorum Juniperus scopulorum Juniperus scopulorum Juniperus scopulorum

Blue Hedgehog

Echinops ritro
Echinops ritro Echinops ritro Echinops ritro Echinops ritro Form of the plant Form of the plant Leaves Leaves Send head Send head Stems Stems
2 Cultivars/Varieties

Blue Heliotrope

Heliotropium amplexicaule
Flower closeup in September in Kalawao County, Hawaii Flower closeup in September in Kalawao County, Hawaii Form in bloom Form in bloom Form in February in Colonia, Uruguay Form in February in Colonia, Uruguay Leaves in July in Bastrop County, Texas Leaves in July in Bastrop County, Texas Green leaves with hairs Green leaves with hairs Leaves and flowers in September in Bashewa, South Africa Leaves and flowers in September in Bashewa, South Africa

Blue Himalayan Poppy

Meconopsis betonicifolium
Form Form Close up of flower. Close up of flower. Group planting Group planting

Blue Holly

Ilex x meserveae
Ilex x meserveae Ilex x meserveae Ilex x meserveae Ilex x meserveae Ilex x meserveae Ilex x meserveae Ilex x meserveae 'Blue Princess' Fruit and Leaf Ilex x meserveae 'Blue Princess' Fruit and Leaf Ilex x meserveae Form Ilex x meserveae Form Ilex x meserveae Ilex x meserveae
11 Cultivars/Varieties

Blue Huckleberry

Gaylussacia frondosa
Form Form Fruit Fruit Flowers and leaves Flowers and leaves Flower detail Flower detail Fruit and leaves Fruit and leaves Leaves Leaves

'Blue Ice' Blue Star

Amsonia 'Blue Ice'
Form Form Flowers Flowers Flowers Flowers Spring buds forming Spring buds forming Foliage Foliage Leaves Leaves

Blue Iris

Iris spuria
Form in July in Skane County, Sweden Form in July in Skane County, Sweden Flower in May in Bacs-Kiskun, Hungary Flower in May in Bacs-Kiskun, Hungary Seedpod in September in Burgenland, Austria Seedpod in September in Burgenland, Austria Seeds in July in Skane County, Sweden Seeds in July in Skane County, Sweden

Blue Jacket

Tradescantia ohiensis
Tradescantia ohiensis Tradescantia ohiensis Tradescantia ohiensis Tradescantia ohiensis Tradescantia ohiensis Tradescantia ohiensis Tradescantia ohiensis Tradescantia ohiensis Tradescantia ohiensis Tradescantia ohiensis Tradescantia ohiensis Tradescantia ohiensis

Bluejack Oak

Quercus incana
Form of a mature tree Form of a mature tree Green Leaves Green Leaves Underside of leaf Underside of leaf Acorn with a capp Acorn with a capp Male catkin flowers Male catkin flowers Bark Bark

Blue Jasmine

Clematis crispa
Clematis crispa Clematis crispa Clematis crispa Clematis crispa Clematis crispa Clematis crispa leaves and flowers leaves and flowers flower flower

Blue Lagoon Juniper

Juniperus conferta 'Blue Lagoon'
Juniperus conferta 'Blue Lagoon' Juniperus conferta 'Blue Lagoon'

Blue Larkspur

Delphinium carolinianum
Flowers Flowers Flower detail Flower detail Form Form Leaves Leaves Stem and back of flower Stem and back of flower Stem and fruits Stem and fruits

Blue Leadwort

Ceratostigma plumbaginoides
Form and flowers Form and flowers Flowers Flowers Blue flowers against medium green ovate leaves. Blue flowers against medium green ovate leaves. Blue flowers against medium green ovate leaves. Blue flowers against medium green ovate leaves.

Blue Licorice

Agastache rugosa
Agastache rugosa Agastache rugosa Agastache rugosa Agastache rugosa Agastache rugosa Agastache rugosa Agastache rugosa Agastache rugosa Agastache rugosa seedling Agastache rugosa seedling Flower and leaves close up Flower and leaves close up

Blue Lily

Agapanthus praecox
Flowers Flowers White flower White flower Form Form Close up of flower Close up of flower Fruit Fruit 'Stevie's Wonder' Flower - Fall - Wake Co., NC 'Stevie's Wonder' Flower - Fall - Wake Co., NC
7 Cultivars/Varieties

Blue Lobelia

Lobelia puberula
Blue flowers on a spike Blue flowers on a spike Flowers on a spike with 5 lobes Flowers on a spike with 5 lobes Form Form Close up of flower Close up of flower Downy leaves Downy leaves Capsules Capsules

Blue Lobelia

Lobelia elongata
Form in bloom Form in bloom Flower detail Flower detail One-sided raceme One-sided raceme Stem and leaves Stem and leaves Lobelia elongata Lobelia elongata Lobelia elongata Lobelia elongata

Blue Lungwort

Pulmonaria officinalis
Pulmonaria officinalis Pulmonaria officinalis small hairs or trichomes on flower bugs and leaves small hairs or trichomes on flower bugs and leaves Pulmonaria officinalis Pulmonaria officinalis Pulmonaria officinalis Pulmonaria officinalis Pulmonaria officinalis Pulmonaria officinalis 'Trevi Fountain' Flower & Leaves - April 15 - Wake Co., NC 'Trevi Fountain' Flower & Leaves - April 15 - Wake Co., NC
1 Cultivar/Variety

Blue Lyme Grass

Leymus arenarius
grass with upright spikes growing among rocks. grass with upright spikes growing among rocks. Grass with glaucous blue foliage. Grass with glaucous blue foliage. A grass with glaucous leaves and upright dense spikes A grass with glaucous leaves and upright dense spikes Close-up on spikelets. Close-up on spikelets. Blue-green grass growing on a mulched slope Blue-green grass growing on a mulched slope Close-up of the leaf sheaths and auricles Close-up of the leaf sheaths and auricles
1 Cultivar/Variety

Blue Maidencane

Amphicarpum amphicarpon
Flowers (Woodbine, NJ)-Early Fall Flowers (Woodbine, NJ)-Early Fall Flower and fruit (Woodbine, NJ)-Early Fall Flower and fruit (Woodbine, NJ)-Early Fall Fruits (Woodbine, NJ)-Early Fall Fruits (Woodbine, NJ)-Early Fall Stem and leafs with hairs (Woodbine, NJ)-Early Fall Stem and leafs with hairs (Woodbine, NJ)-Early Fall Leaf and sheath with hairs (Woodbine, NJ)-Early Fall Leaf and sheath with hairs (Woodbine, NJ)-Early Fall Stem and spikelets (Woodbine, NJ)-Early Fall Stem and spikelets (Woodbine, NJ)-Early Fall

Blue Marguerite

Felicia amelloides
bushy groundcover with pale blue daisy "flowers" bushy groundcover with pale blue daisy "flowers" Pale blue daisy "flowers" Pale blue daisy "flowers"

Blue Marsh Violet

Viola cucullata
Heart-shaped leaves & purple flowers. Heart-shaped leaves & purple flowers. Heart-shaped leaves & purple flower on long scape. Heart-shaped leaves & purple flower on long scape. V. cucullata V. cucullata Viola cucullata Flower Viola cucullata Flower Viola cucullata Flower Viola cucullata Flower Viola cuculata 'Striata Alba' Viola cuculata 'Striata Alba'
2 Cultivars/Varieties

Blue Meadow Grass

Koeleria glauca
Clumping form Clumping form Buff silvery colored flowers Buff silvery colored flowers Blue-green leaves Blue-green leaves
2 Cultivars/Varieties

Blue Milkweed

Amsonia ciliata
Flowers and leaves in spring in Moore County Flowers and leaves in spring in Moore County Close up of flower Close up of flower Flowers, leaves, and form in the spring in Moore County Flowers, leaves, and form in the spring in Moore County Leaves Leaves Amsonia ciliata in the fall in Moore County Amsonia ciliata in the fall in Moore County Form of var. tenuifolia Form of var. tenuifolia
3 Cultivars/Varieties

Bluemink

Ageratum houstonianum
Ageratum houstonianum Ageratum houstonianum Ageratum houstonianum Ageratum houstonianum Ageratum houstonianum Ageratum houstonianum Ageratum houstonianum Ageratum houstonianum Ageratum houstonianum 'Blue Horizon' flowers Ageratum houstonianum 'Blue Horizon' flowers Ageratum houstonianum 'Blue Horizon' Ageratum houstonianum 'Blue Horizon'
7 Cultivars/Varieties