Tithonia rotundifolia syn Tithonia speciosa
Mexican Sunflower
Mexican Sunflower is a large erect multi stemmed annual with large broad rough triangular green leaves and bright orange to orange-red flowers with yellow centres. It makes an excellent cut flower.
Contributed by @JeanChapin
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Full sun
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Occasional watering
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A little frost hardy: 32F (0°C)
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Rich and free draining
Common name
Mexican Sunflower
Latin name
Tithonia rotundifolia syn Tithonia speciosa
type
Annual
family
Asteraceae
ph
5.6 - 7.9 Acid - Neutral
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Light
Full sun
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Frost
A little frost hardy: 32F (0°C)
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Soil
Rich and free draining
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Water
Occasional watering
Plant & bloom calendar
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Best time to plant
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When the plant will bloom
full grown dimensions
0.30 M
2.00 M
Tithonia rotundifolia syn Tithonia speciosa
Mexican Sunflower is a large erect multi stemmed annual with large broad rough triangular green leaves and bright orange to orange-red flowers with yellow centres. It makes an excellent cut flower.
Flowering
From Mid Summer TO Mid Autumn
Flowers appear from mid Summer to mid Autumn
Planting
From Early Spring TO Mid Spring
Plant in a well-drained and sunny site after all danger of frost has passed, in early to mid Spring. Protect seedlings from slugs and snails by surrounding the stems with crushed eggshells, (or other slug and snail protection).
Propagating by seed
From Early Spring TO Mid Spring
Fill a seed tray with seed compost,water and allow to drain.Sprinkle seeds over the surface allowing roughly 25mm space between seeds and cover with a thin layer of compost. Put tray in a clear polythene bag and place on a windowsill. When seedlings show remove plastic bag.When the second pair of leaves appear on the seedlings thin out to 50mm spacing by removing the weakest looking plants.
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