1. Ulex (Gorse)
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Ulex | Ulex europaeus | Yellow | Spring to Summer | Sandy, Well-drained |
2. Umbrella Plant
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Umbrella Plant | Darmera peltata | Pink, White | Spring | Moist, Well-drained |
3. Urospermum
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Urospermum | Urospermum dalechampii | Yellow | Spring to Summer | Well-drained |
4. Utricularia (Bladderwort)
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Utricularia | Utricularia vulgaris | Yellow | Summer | Aquatic |
5. Uvularia (Bellwort)
Image source: https://www.etsy.com/
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Uvularia | Uvularia grandiflora | Yellow | Spring | Moist, Well-drained |
6. Urn Plant
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Urn Plant | Aechmea fasciata | Pink, Blue | Summer | Well-drained |
7. Ulmus (Elm)
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Ulmus | Ulmus spp. | Greenish | Spring | Moist, Well-drained |
8. Unguicularis (Winter Iris)
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Unguicularis | Iris unguicularis | Blue, Purple | Winter | Well-drained |
9. Uvaria
Image source: https://www.rarepalmseeds.com/
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Uvaria | Uvaria grandiflora | Red, Yellow | Spring to Summer | Well-drained |
10. Uvularia sessilifolia (Sessile-leaf Bellwort)
Image source: https://plants.ces.ncsu.edu/
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Uvularia sessilifolia | Uvularia sessilifolia | Yellow | Spring | Moist, Well-drained |
11. Urena
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Urena | Urena lobata | Pink, Purple | Summer | Well-drained |
12. Utricularia purpurea (Purple Bladderwort)
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Utricularia purpurea | Utricularia purpurea | Purple | Summer | Aquatic |
13. Urceolina
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Urceolina | Urceolina pendula | Yellow, Green | Spring | Well-drained |
14. Urceola
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Urceola | Urceola esculenta | White, Pink | Summer | Well-drained |
15. Urera
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Urera | Urera baccifera | Greenish | Spring to Summer | Moist, Well-drained |
16. Urtica dioica (Stinging Nettle)
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Urtica dioica | Urtica dioica | Greenish | Spring to Fall | Moist, Well-drained |
17. Urn Orchid
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Urn Orchid | Cymbidium ensifolium | Yellow, Green | Summer | Well-drained |
18. Ursinia
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Ursinia | Ursinia anthemoides | Yellow, Orange | Spring to Summer | Well-drained |
19. Utricularia graminifolia (Grass-leaved Bladderwort)
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Utricularia graminifolia | Utricularia graminifolia | Purple | Summer | Aquatic |
20. Utricularia sandersonii (Angelic Bladderwort)
Image source: https://curiousplant.com/
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Utricularia sandersonii | Utricularia sandersonii | White, Blue | Spring to Summer | Aquatic |
21. Utricularia vulgaris (Greater Bladderwort)
| Flower Name | Scientific Name | Flower Color(s) | Blooming Season | Soil Type |
|---|
| Utricularia vulgaris | Utricularia vulgaris | Yellow | Summer | Aquatic |
