Alert: Limited Online Availability

Now that summer is here, we have limited our stock for online purchase. Find Monrovia plants at your local garden center. Pre-order for 2023 will be available later this year. ×

Mariachi™ Sombrero Helenium

Helenium x 'Sombrero' PP #25,968

This cute, compact, bushy blooming machine will brighten a sunny garden. Clear, sunshine yellow center cones are surrounded by even brighter yellow ray petals, on strong stems held above deep green, mounded foliage. Charming summer color for a cottage, wildlife, or cutting garden, or a small urban border. An herbaceous perennial.
There are very few rules in gardening, but perhaps the most important one is to work within your zone. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden . Learn More

Your climate might be too cold for this plant:


Full sun

Keep soil moist but not soggy.


Due to the seasonal nature of plants, availability at your local garden center is not guaranteed. Give them a call before visiting.

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Botanical Pronunciationhel-EE-nee-um
LoreHelenium is a native wildflower from the Americas, found around damp woodland areas, alongside streams and ponds, and in moist meadow lands and prairies, with regular moisture. They have a shallow root system and will not thrive with periodic dry spells. Despite its name, sneezeweed is not a common source of seasonal allergies.
Average Size at MaturityFast growing; reaches 18 to 20 in. tall, 20 to 24 in. wide.
Bloom TimeEarly to Late Summer
Design IdeasThis American native is perfectly at home in a meadow or prairie garden or open woodland in areas where regular moisture abounds. Thrives along a sunny stream bed or pond's edge.
Deciduous/ EvergreenHerbaceous
Flower AttributeFlowers for Cutting, Long Bloom Season, Showy Flowers
Flower ColorYellow
Foliage ColorGreen
Garden StyleCottage, Rustic
Growth RateFast
Landscape UseBorder, Container
Light NeedsFull sun
Patent ActAsexual reproduction of plants protected by the Plant Patent Act is prohibited during the life of the patent.
Special FeatureEasy Care, Fast Growing, Compact Form
Water NeedsModerate
Watering NeedsKeep soil moist but not soggy.
Companion PlantsBlanket Flower (Gaillardia); Avens (Geum); Bee Balm (Monarda); Joe-Pye Weed (Eupatorium); Aster (Aster)

Provide organically rich, moist but well-drained soil. Water regularly in first growing season to establish root system. Once established, prefers regular moisture, even tolerating wet soils; does not tolerate dry soils. Fertilize only lightly. Remove spent flowers to encourage continued bloom. Hard prune by 1/2 after bloom period.

This Plant's Growing Zones: 3-9

USDA Cold Hardiness Zone Map

Your USDA Cold Hardiness Zone:

Your climate may be too cold for this plant