Border Builder

Mexican Sunflower

Tithonia rotundifolia

Illustration of Mexican Sunflower

Mexican Sunflower is an annual for focal point, mid-border, suited to full sun and loam or sandy soil, flowering Jul, Aug, Sep, Oct.

TypeAnnual
Mature height150 cm
Spread75 cm
Aspectfull sun
FoliageDeciduous
HardinessUSDA 9a-11a
Pollinator-friendlyYes
Pet-safeNot confirmed

Where to use it in a border

At around 150 cm, it sits best toward the back of a border, or on its own as a focal point with room around it. Give it about 75 cm of room to spread. It is hardy across USDA zones 9a to 11a, so check it suits your area before planting.

It appears in our lists of full sun, sandy soil, pollinator-friendly plants.

Border Builder uses Mexican Sunflower's height, spread, soil, bloom months and companions to place it in a full border plan for your own conditions, on iPhone and iPad.

Download on the App Store

Flowering through the year

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Worth knowing

Good companions

Plants that share its conditions and style, chosen to complement its place in the border:

Garden styles

Cottage garden Meadow Wildlife garden

Sources

Bloom timing and hardiness drawn from: