| Flower Name | Oxeye Daisy |
|---|---|
| Scientific Name | Leucanthemum vulgare |
| Flower Color(s) | White, Yellow |
| Blooming Season | Late Spring to Early Summer |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orchid |
|---|---|
| Scientific Name | Orchidaceae |
| Flower Color(s) | Various (White, Purple, Pink, Yellow) |
| Blooming Season | Varies by Species |
| Soil Type | Well-drained, Bark-based Mix |
| Flower Name | Oleander |
|---|---|
| Scientific Name | Nerium oleander |
| Flower Color(s) | Pink, Red, White, Yellow |
| Blooming Season | Late Spring to Fall |
| Soil Type | Well-drained, Sandy, Loamy |
| Flower Name | Oriental Lily |
|---|---|
| Scientific Name | Lilium orientalis |
| Flower Color(s) | Pink, White, Red |
| Blooming Season | Mid to Late Summer |
| Soil Type | Well-drained, Sandy, Loamy |
| Flower Name | Osteospermum |
|---|---|
| Scientific Name | Osteospermum spp. |
| Flower Color(s) | Purple, White, Pink, Yellow |
| Blooming Season | Spring to Early Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Oxalis |
|---|---|
| Scientific Name | Oxalis spp. |
| Flower Color(s) | Pink, Yellow, White |
| Blooming Season | Spring to Early Summer |
| Soil Type | Well-drained, Sandy, Loamy |
| Flower Name | Ornamental Onion |
|---|---|
| Scientific Name | Allium spp. |
| Flower Color(s) | Purple, Pink, White |
| Blooming Season | Spring to Summer |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orange Daylily |
|---|---|
| Scientific Name | Hemerocallis fulva |
| Flower Color(s) | Orange |
| Blooming Season | Mid to Late Summer |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Oxblood Lily |
|---|---|
| Scientific Name | Rhodophiala bifida |
| Flower Color(s) | Red |
| Blooming Season | Late Summer to Early Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Oregano |
|---|---|
| Scientific Name | Origanum vulgare |
| Flower Color(s) | Purple, Pink, White |
| Blooming Season | Summer |
| Soil Type | Well-drained, Sandy, Loamy |
| Flower Name | Oyster Plant |
|---|---|
| Scientific Name | Tradescantia spathacea |
| Flower Color(s) | Purple, White |
| Blooming Season | Late Summer to Early Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orange Hawkweed |
|---|---|
| Scientific Name | Pilosella aurantiaca |
| Flower Color(s) | Orange, Red |
| Blooming Season | Late Spring to Summer |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Oriental Poppy |
|---|---|
| Scientific Name | Papaver orientale |
| Flower Color(s) | Orange, Red, White |
| Blooming Season | Late Spring to Early Summer |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Oxeye Sunflower |
|---|---|
| Scientific Name | Heliopsis helianthoides |
| Flower Color(s) | Yellow, Orange |
| Blooming Season | Summer |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Onion Flower |
|---|---|
| Scientific Name | Allium cepa |
| Flower Color(s) | White |
| Blooming Season | Spring to Summer |
| Soil Type | Well-drained, Sandy, Loamy |
| Flower Name | Obedient Plant |
|---|---|
| Scientific Name | Physostegia virginiana |
| Flower Color(s) | Pink, White, Purple |
| Blooming Season | Late Summer to Fall |
| Soil Type | Moist, Well-drained |
| Flower Name | Orange Trumpet Vine |
|---|---|
| Scientific Name | Campsis radicans |
| Flower Color(s) | Orange, Red |
| Blooming Season | Summer to Early Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Oxalis Triangularis |
|---|---|
| Scientific Name | Oxalis triangularis |
| Flower Color(s) | Pink, White |
| Blooming Season | Spring to Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orange Jasmine |
|---|---|
| Scientific Name | Murraya paniculata |
| Flower Color(s) | White |
| Blooming Season | Spring to Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Oxheart Tomato Flower |
|---|---|
| Scientific Name | Solanum lycopersicum |
| Flower Color(s) | Yellow |
| Blooming Season | Spring to Summer |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Ornamental Kale |
|---|---|
| Scientific Name | Brassica oleracea |
| Flower Color(s) | Pink, Purple, White |
| Blooming Season | Fall to Winter |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orange Cosmos |
|---|---|
| Scientific Name | Cosmos sulphureus |
| Flower Color(s) | Orange, Yellow |
| Blooming Season | Summer to Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Old Man Cactus |
|---|---|
| Scientific Name | Cephalocereus senilis |
| Flower Color(s) | Pink, White |
| Blooming Season | Summer |
| Soil Type | Well-drained, Sandy |
| Flower Name | Orange Rocket Barberry |
|---|---|
| Scientific Name | Berberis thunbergii |
| Flower Color(s) | Yellow |
| Blooming Season | Spring |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Ombretta Dahlia |
|---|---|
| Scientific Name | Dahlia pinnata |
| Flower Color(s) | Purple, White, Yellow |
| Blooming Season | Summer to Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orange Geiger Tree |
|---|---|
| Scientific Name | Cordia sebestena |
| Flower Color(s) | Orange |
| Blooming Season | Year-round (in warm climates) |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Oxeye Daisy Fleabane |
|---|---|
| Scientific Name | Erigeron strigosus |
| Flower Color(s) | White, Yellow |
| Blooming Season | Late Spring to Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orange Milkweed |
|---|---|
| Scientific Name | Asclepias tuberosa |
| Flower Color(s) | Orange |
| Blooming Season | Summer to Early Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Osmanthus |
|---|---|
| Scientific Name | Osmanthus fragrans |
| Flower Color(s) | White, Yellow |
| Blooming Season | Spring to Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orange Flame Vine |
|---|---|
| Scientific Name | Pyrostegia venusta |
| Flower Color(s) | Orange |
| Blooming Season | Winter to Early Spring |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orange Nasturtium |
|---|---|
| Scientific Name | Tropaeolum majus |
| Flower Color(s) | Orange, Yellow, Red |
| Blooming Season | Summer to Fall |
| Soil Type | Well-drained, Sandy, Loamy |
| Flower Name | Old Fashioned Bleeding Heart |
|---|---|
| Scientific Name | Lamprocapnos spectabilis |
| Flower Color(s) | Pink, White |
| Blooming Season | Spring to Early Summer |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Oxypetalum |
|---|---|
| Scientific Name | Oxypetalum caeruleum |
| Flower Color(s) | Blue |
| Blooming Season | Summer to Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orange Thistle |
|---|---|
| Scientific Name | Carlina acaulis |
| Flower Color(s) | Orange |
| Blooming Season | Summer |
| Soil Type | Well-drained, Sandy |
| Flower Name | Ornamental Grass Plumes |
|---|---|
| Scientific Name | Pennisetum alopecuroides |
| Flower Color(s) | Purple, Pink, White |
| Blooming Season | Late Summer to Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Oxalis Versicolor |
|---|---|
| Scientific Name | Oxalis versicolor |
| Flower Color(s) | White, Red |
| Blooming Season | Winter to Spring |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Ornamental Rhubarb |
|---|---|
| Scientific Name | Rheum palmatum |
| Flower Color(s) | Pink, Red, White |
| Blooming Season | Summer |
| Soil Type | Moist, Well-drained |
| Flower Name | Orange Jewelweed |
|---|---|
| Scientific Name | Impatiens capensis |
| Flower Color(s) | Orange |
| Blooming Season | Summer to Fall |
| Soil Type | Moist, Well-drained |
| Flower Name | Ornithogalum |
|---|---|
| Scientific Name | Ornithogalum spp. |
| Flower Color(s) | White, Yellow |
| Blooming Season | Spring to Summer |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orobanche |
|---|---|
| Scientific Name | Orobanche spp. |
| Flower Color(s) | Purple, Yellow, White |
| Blooming Season | Spring to Early Summer |
| Soil Type | Moist, Well-drained |
| Flower Name | Orange Stargazer Lily |
|---|---|
| Scientific Name | Lilium spp. |
| Flower Color(s) | Orange, Yellow |
| Blooming Season | Summer |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Ornamental Sunflower |
|---|---|
| Scientific Name | Helianthus annuus |
| Flower Color(s) | Yellow, Orange, Red |
| Blooming Season | Summer to Fall |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Osage Orange |
|---|---|
| Scientific Name | Maclura pomifera |
| Flower Color(s) | Greenish-yellow |
| Blooming Season | Spring |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Olive Tree Flower |
|---|---|
| Scientific Name | Olea europaea |
| Flower Color(s) | White, Yellow |
| Blooming Season | Spring |
| Soil Type | Well-drained, Loamy, Sandy |
| Flower Name | Orange Coneflower |
|---|---|
| Scientific Name | Rudbeckia fulgida |
| Flower Color(s) | Yellow, Orange |
| Blooming Season | Summer to Fall |
| Soil Type | Well-drained, Loamy, Sandy |
