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Mexican Sunflower in the GardenTags plant encyclopedia

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

 
plant Features
  • Mexican Sunflower likes full sun

    Full sun

  • Mexican Sunflower likes occasional watering

    Occasional watering

  • Mexican Sunflower is a little frost hardy: 32f (0°c)

    A little frost hardy: 32F (0°C)

  • Mexican Sunflower likes rich and free draining

    Rich and free draining

 
Available to buy from 1 store(s) in the UK
 
plant information

Common name

Mexican Sunflower

Latin name

Tithonia rotundifolia syn Tithonia speciosa

type

Annual

family

Asteraceae

ph

5.6 - 7.9 Acid - Neutral

  • Light

    Mexican Sunflower likes full sun

    Full sun

  • Frost

    Mexican Sunflower is a little frost hardy: 32f (0°c)

    A little frost hardy: 32F (0°C)

  • Soil

    Mexican Sunflower likes rich and free draining

    Rich and free draining

  • Water

    Mexican Sunflower likes occasional watering

    Occasional watering

Plant & bloom calendar

  •  
    Best time to plant
  •  
    When the plant will bloom

full grown dimensions

The size of a fully grown Mexican Sunflower is 0.30meters x 2.00meters 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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