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Mexican Sunflower

Tithonia rotundifolia, Asteraceae

Zones
4–11
Layer
Herbaceous
Lifespan
Annual
Growth
Fast

Guild Roles

Pollinator AttractorMulch MakerDynamic Accumulator

Growing Conditions

Sun

Full Sun (optimal)

Water

LowModerate

Soil pH

5.5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Upland CottonGossypium hirsutum
Pollinator SharingBeneficial Insect Habitat
KenafHibiscus cannabinus
Pollinator SharingBeneficial Insect Habitat
BugleweedAjuga reptans
Shade ProvisionBeneficial Insect Habitat
Faassens CatmintNepeta × faassenii
Pollinator SharingPest Deterrent
PurslanePortulaca oleracea
Shade ProvisionPollinator Sharing

Antagonistic Plants

DichondraDichondra repens

Tall Mexican sunflower can shade out low-growing dichondra

Uses

Functions

Nutrient AccumulationBiomassPollinator Support

Common Questions

What zones does Mexican Sunflower grow in?

Mexican Sunflower grows in USDA hardiness zones 4 through 11.

What are good companion plants for Mexican Sunflower?

Good companions for Mexican Sunflower include Upland Cotton, Kenaf, Bugleweed, Faassens Catmint, Purslane.

Design guilds with Mexican Sunflower and see companion relationships visually.

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