LIFE CYCLE
Annual
PLANT CHARACTERISTICS
strong stems
GROWTH HABIT
Upright
BLOOM SEASON
Summer
FLAVOUR PROFILE
Ornamental
SUITABLE FOR
Outdoor
SEED TYPE
Open-pollinated seeds
PLANT TYPE
Flowering annual
PLANTING SEASON
Spring
FRUIT SIZE
Not applicable
PLANT HEIGHT
40–60 cm
LIGHT REQUIREMENT
Full Sun
WATER NEEDS
Low to Moderate
HARDINESS ZONES
Annual
CONTAINER GARDEN
Yes
PLANT SPACING
20–30 cm
PLANTING DEPTH
1–2 cm
GROWING CONDITIONS
Fertile well drained soil
Frequently Asked Questions
Is this the same as a common sunflower (Helianthus)?
Is this the same as a common sunflower (Helianthus)?
No, "Mexican sunflower" refers to Tithonia, a different genus entirely from true sunflowers, though both belong to the daisy family and share a similar sunny bloom look.
The listed height is only 40–60 cm — is that accurate for this plant?
The listed height is only 40–60 cm — is that accurate for this plant?
That seems notably short; Tithonia rotundifolia is generally known to grow much taller, often 120–180 cm, so the actual mature height may exceed what's listed here.
Do Mexican sunflower seeds attract monarch butterflies specifically?
Do Mexican sunflower seeds attract monarch butterflies specifically?
Yes, Tithonia is particularly well known as a favorite nectar source for monarch butterflies, especially during their fall migration.
Are the seeds edible like classic snacking sunflower seeds?
Are the seeds edible like classic snacking sunflower seeds?
No, Tithonia seeds aren't a food-grade snacking seed like Helianthus annuus varieties; this plant is grown purely for ornamental purposes.
Is this variety more heat and drought tolerant than a typical sunflower?
Is this variety more heat and drought tolerant than a typical sunflower?
Yes, Tithonia is especially valued for thriving in hot, dry conditions where some traditional sunflowers may struggle.
Is Mexican sunflower considered deer-resistant?
Is Mexican sunflower considered deer-resistant?
Its rough, fuzzy foliage tends to make it less appealing to deer compared to many other bright, tender-leaved garden flowers.