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Big Headed Clover
Trifolium macrocephalum
About Big Headed Clover (Trifolium macrocephalum) Nurseries Show All Photos Big Headed Clover (Trifolium macrocephalum) is a native perennial herb that grows in northern California. It is fast growing and short-lived. It grows in a flat form to a height of 2 feet, with active growth during the spring and summer. Flowers are purple and striking, and bloom in the mid spring. Leaves are medium green and deciduous. It tends to grow in meadows and streambanks, at elevations from 2000-5500 feet.
Plant Description
Plant Type
Perennial herb

Max. Height
2 ft (0.6 m)


Growth Rate

Winter Deciduous

Flower Color

Flowering Season

Native Status

Natural Setting
Site Type
Meadows and streambanks


Elevation ?
266' - 10562'

Annual Precip. ?
6.3" - 95.7"

Summer Precip. ?
0.14" - 2.50"

Coldest Month ?
26.7° F - 50.8° F

Hottest Month ?
48.9° F - 77.7° F

Humidity ?
0.51 vpd - 24.96 vpd

Soil Description
Prefers sandy or loamy soils. Does not grow well in clay soils.

Sunset Zones ?
1*, 2*, 3*, 6, 7, 15, 16, 17

Landscaping Information
Common uses
Bee Gardens

Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Big-headed Clover, Largehead Clover

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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