Tithonia rotundifolia: Country Or Region Of Origin
Mexico and Central America
Plant Profile: Tithonia rotundifolia
Taxonomy: Tithonia rotundifoliaNames
Mexican Sunflower
Phonetic Spelling:tih-THO-nee-ah ro-tun-dih-FOH-lee-ah
Genus:Tithonia
Species:rotundifolia
Family:Asteraceae
This annual plant thrives in full sunlight and is resilient to both heat and drought conditions. It prefers well-drained soil that ranges from dry to moderately moist. The blooms are striking, reaching up to 3 inches in diameter. However, it may sometimes be susceptible to damage from deer.
Tithonia rotundifolia Feature Summary
Tithonia rotundifolia Image Gallery
Tags
#hummingbirds
#yellow
#full sun tolerant
#annual
#drought tolerant
#orange
#orange flowers
#fall interest
#summer flowers
#deer resistant
#pollinator plant
#bird friendly
#dry soils tolerant
#butterfly friendly
Similar Plants
Tithonia rotundifolia is often confused with:
Tithonia rotundifolia Feature Summary
Attributes
Mexico and Central America
Tolerates deer, drought, heat, and dry soil.
Annual
Flowers
The flowers are showy up to 3 inches across.
Gold/Yellow
Red/Burgundy
Orange
Summer
7 - 20 petals/rays
1-3 inches
Whole Plant Traits
Annual
Low
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Good Drainage
4a
4b
5b
5a
6a
6b
7a
7b
8b
8a
2a
2b
3a
3b
9a
9b
10a
10b
11a
11b
Leaves
Stem
Landscape
Drought Tolerant Garden
Butterfly Garden
Pollinator Garden
Drought
Deer
Heat
Dry Soil
Butterflies
Pollinators
Songbirds
Hummingbirds
Tithonia rotundifolia Image Gallery
Tithonia rotundifolia Attributes
Tithonia rotundifolia: Particularly Resistant To (Insects/Diseases/Other Problems)
Tolerates deer, drought, heat, and dry soil.
Tithonia rotundifolia: Life Cycle
Annual
Biennial
Bulb
Perennial
Woody
Tithonia rotundifolia Flowers
Tithonia rotundifolia: Flower Description
The flowers are showy up to 3 inches across.
Tithonia rotundifolia: Flower Color
Gold/Yellow
Orange
Red/Burgundy
Tithonia rotundifolia: Flower Value To Gardener
Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy
Tithonia rotundifolia: Flower Bloom Time
Winter
Spring
Summer
Fall
Tithonia rotundifolia: Flower Petals
2-3 rays/petals
4-5 petals/rays
6 petals/rays
7 - 20 petals/rays
asymmetrical petals
Bracts
Colored Sepals
fused petals
more than 20 petals/rays
Tepals
Tithonia rotundifolia: Flower Size
1-3 inches
3-6 inches
< 1 inch
> 6 inches
Tithonia rotundifolia Whole Plant Traits
Tithonia rotundifolia: Plant Type
Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower
Tithonia rotundifolia: Maintenance
Low
Medium
High
Tithonia rotundifolia Cultural Conditions
Tithonia rotundifolia: Light
Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Tithonia rotundifolia: Soil Drainage
Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry
Tithonia rotundifolia: USDA Plant Hardiness Zone
10a
10b
11a
11b
2a
2b
3a
3b
4a
4b
5a
5b
6a
6b
7a
7b
8a
8b
9a
9b
Tithonia rotundifolia Leaves
Tithonia rotundifolia: Leaf Color
Green
Tithonia rotundifolia: Leaf Shape
Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate
Tithonia rotundifolia: Leaf Margin
Crenate
Crenulate
Dentate
Denticulate
Doubly Crenate
Doubly Dentate
Doubly Serrate
Entire
Lobed
Serrate
Sinuate
Undulate
Tithonia rotundifolia: Hairs Present
No
Yes
Tithonia rotundifolia: Leaf Length
< 1 inch
1-3 inches
3-6 inches
> 6 inches
Tithonia rotundifolia Stem
Tithonia rotundifolia: Stem Is Aromatic
No
Yes
Tithonia rotundifolia Landscape
Tithonia rotundifolia: Landscape Theme
Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden
Tithonia rotundifolia: Resistance To Challenges
Black Walnut
Compaction
Deer
Diseases
Drought
Dry Soil
Erosion
Fire
Foot Traffic
Heat
Heavy Shade
Humidity
Insect Pests
Pollution
Poor Soil
Rabbits
Salt
Slugs
Squirrels
Storm damage
Urban Conditions
Voles
Wet Soil
Wind
Tithonia rotundifolia: Attracts
Bats
Bees
Butterflies
Frogs
Hummingbirds
Moths
Pollinators
Predatory Insects
Reptiles
Small Mammals
Songbirds
Specialized Bees
