08 August

Flowers blooming in August

◁ July | September ▷

Blooming data are based on my personal observations between 2010 and 2015. They are not perfect.

The red bits of the little tables under the flowers indicate when I observed those flowers blooming. The fainter red bits indicate months in which the flower bloomed but for which I neglected to record an exact start (or stop) date. Since these are the observations of one man randomly walking the local trails I may have missed the true start/stop by several weeks.

All flowers blooming in August


Asparagaceae
Hesperoyucca whipplei
Chaparral yucca

AprAug

2014
2013
2012
2011
2010
2009

Liliaceae
Calochortus fimbriatus
Late blooming Mariposa lily

JuneAug

2014
2013
2012
2011
2010
2009

Orchidaceae
Piperia elongata
Dense-flowered Rein Orchid

JuneAug

2014
2013
2012
2011

Xanthorrhoeaceae
Asphodelus fistulosus
Asphodel

All year

2015
2014
2013
2012
2011
2010
2009
2008

Apiaceae
Conium maculatum
poison hemlock

DecSep

2015
2014
2013
2012
2011
2010
Foeniculum vulgare
fennel

JuneMar

2015
2014
2013
2012
2011
2010
Apium graveolens
celery

AprDec

2014
2013
2012
2011

Asteraceae
Achillea millefolium
Common yarrow

FebOct

2014
2013
2012
2011
2010
Artemisia californica
Old man’s beard

AprNov

2014
2013
2012
2011
2010
Artemisia douglasiana
Mugwort

JuneOct

2014
2013
2012
2011
2010
Cotula coronopifolia
Brass Buttons

All year

2014
2013
2012
Baccharis pilularis
Coyote Bush

JulyDec

2014
2013
2012
2011
2010
Baccharis plummerae
Plummer’s Baccharis

JuneDec

2014
2013
2012
2011
2009
Baccharis salicifolia
Mulefat

JulyMay

2015
2014
2013
2012
2011
Corethrogyne filaginifolia
California Aster

JulyFeb

2015
2014
2013
2011
Ericameria arborescens
goldenfleece

JulyNov

2014
2013
2012
2011
Ericameria ericoides
Mock Heather

JulyApr

2015
2014
2013
2012
Ericameria nauseosa
Common Rabbit Brush

JanFeb

2014
2013
2012
2011
2010
Erigeron bonariensis
Flax-leaved Horseweed

FebMar

2012
Erigeron canadensis
Horseweed

AprFeb

2014
2013
2012
2011
2010
Erigeron foliosus
leafy fleabane

AprJan

2014
2013
2012
2011
2010
Gutierrezia californica
California Matchweed

JulyDec

2014
2013
2011
Hazardia squarrosa
sawtooth goldenbush

JulyJan

2014
2013
2012
2011
2010
Heterotheca grandiflora
telegraph weed

All year

2015
2014
2013
2012
2011
2010
Heterotheca sessiliflora
Hairy Golden Aster

JuneNov

2014
2013
Isocoma menziesii
Menzies’ goldenbush

All year

2015
2014
2013
2012
2011
2010
Solidago velutina
California goldenrod

All year

2014
2013
2012
2011
2010
2009
Pseudognaphalium biolettii
twocolor cudweed

AugMay

2015
2014
2013
2012
2011
2010
Pseudognaphalium californicum
California pearly everlasting

JanNov

2014
2013
2012
2011
2010
Pseudognaphalium canescens
white everlasting

All year

2015
2014
2013
2012
2011
2010
Bidens pilosa
Beggar’s ticks

All year

2015
2014
2013
2012
2011
2010
Ageratina adenophora
sticky snakeroot

FebOct

2015
2014
2013
2012
2011
2010
Brickellia californica
California Brickellbush

MayDec

2014
2013
2012
2011
Brickellia nevinii
Nevin’s Brickellbush

JulySep

2014
Helenium puberulum
Sneezeweed

JulyNov

2014
2013
Ambrosia chamissonis
beach-bur

JanNov

2014
2013
2012
2010
Ambrosia psilostachya
Western ragweed

MayJan

2015
2014
2013
2012
2011
Encelia californica
Bush sunflower

All year

2015
2014
2013
2012
2011
2010
Eriophyllum confertiflorum
golden yarrow

All year

2014
2013
2012
2011
2010
Madia elegans
Common Madia

JuneNov

2014
2013
2012
2011
Madia sativa
Coast tarweed

MayOct

2014
2013
2012
2011
2010
Hemizonia congesta-luzulifolia
Silky Tarweed

MayDec

2014
Centromadia parryi
Southern tarplant

MayFeb

2014
2013
2012
2011
Deinandra fasciculata
clustered tarweed

AprDec

2014
2013
2012
2011
2010
Deinandra increscens
Grassland tarweed

JuneJan

2014
2013
2012
2011
Venegasia carpesioides
canyon sunflower

All year

2015
2014
2013
2012
2011
2010
2009
Lepidospartum squamatum
Scalebroom

AugDec

2014
2012
Senecio flaccidus
threadleaf ragwort

MayDec

2014
2013
2012
2011
2010
Cirsium occidentale-californicum
California thistle

MayAug

2014
2013
2012
2011
2010
Cirsium occidentale-venustum
Venus thistle

FebAug

2014
2013
2012
2011
2010
Cirsium vulgare
Bull thistle

JanNov

2015
2014
2013
2012
2011
2010
Silybum marianum
milk thistle

All year

2014
2013
2012
2011
2010
Centaurea melitensis
Maltese star thistle

JanOct

2014
2013
2012
2011
2010
Centaurea solstitialis
Yellow star thistle

MarDec

2014
2013
2012
2011
2010
Hieracium argutum
Southern Hawkweed

MayOct

2014
2013
2012
2011
2010
Hypochaeris radicata
Hairy Cat’s ear

All year

2014
2013
2012
2011
Lactuca serriola
Prickly Lettuce

MayJan

2014
2013
2012
2011
Malacothrix saxatilis
Cliff-aster

All year

2015
2014
2013
2012
2011
2010
Malacothrix saxatilis-saxatilis
Seaside daisy

All year

2014
2013
2012
2011
Picris echioides
Prickly ox-tongue

All year

2014
2013
2012
2011
2010
Sonchus sp.
Sow-Thistle

All year

2014
2013
2012
2011
2010
Stephanomeria cichoriacea
Chicory-leaved wire-lettuce

JuneJan

2015
2014
2013
2012
2011
2010
2009
Stephanomeria exigua
Small Wirelettuce

JuneDec

2014
2013
2011
Stephanomeria virgata
Tall Stephanomeria

JuneFeb

2015
2014
2013
2012
2011
2010
Taraxacum officionale
Dandelion

FebAug

2012
2011
Tragopogon porrifolius
Purple Salsify

AprSep

2013
2012
Acourtia microcephala
Sacapelote

MayAug

2014
2013
2012
2011
2010
Jaumea carnosa
Fleshy Jaumea

MayNov

2014
2013
Xanthium strumarium
Cocklebur

FebMar

2014
2013
2012
2011

Campanulaceae
Lobelia dunnii
Dunn’s lobelia

JuneNov

2014
2013
2012
2011
2010

Adoxaceae
Sambucus nigra-caerulea
Blue Elderberry

All year

2015
2014
2013
2012
2011
2010

Caprifoliaceae
Lonicera subspicata
Chaparral honeysuckle

All year

2014
2013
2012
2011
2010

Apocynaceae
Asclepias eriocarpa
Broad-leaved Milkweed

MayAug

2014
2013
2012
2011
2010
Asclepias fascicularis
Narrow-leaved Milkweed

MayOct

2014
2012
2011
Vinca major
periwinkle

All year

2015
2014
2013
2012
2011
2010

Rubiaceae
Galium porrigens
graceful bedstraw

FebAug

2015
2014
2013
2012
2011

Lamiaceae
Marrubium vulgare
Horehound

MarNov

2014
2013
2012
2011
2010
Stachys albens
white wood mint

JulyAug

2014
2011
Stachys rigida
woodmint

DecOct

2015
2014
2013
2012
2011
2010
Mentha spicata
Spearmint

JulyNov

2014
2013
2012
2011
2010
Monardella lanceolata
Mustang Mint

MayAug

2014
2013
2012
2011
2010
Salvia apiana
white sage

MaySep

2014
2013
2012
2011
2010
2009
Salvia mellifera
black sage

DecSep

2015
2014
2013
2012
2011
2010
2009
Trichostema lanatum
Woolly bluecurls

FebAug

2014
2013
2012
2011
2010
2009
Trichostema lanceolatum
Turpentine Weed

JuneOct

2014
2013
2011
2010

Orobanchaceae
Castilleja affinis
Coast Indian Paintbrush

FebAug

2015
2014
2013
2012
2011
2010
Castilleja minor
Lesser Indian paintbrush

JuneOct

2014
2012
Cordylanthus rigidus
Rigid Bird’s Beak

MayNov

2014
2013
2012
2011

Phrymaceae
Mimulus aurantiacus
sticky monkeyflower

JanSep

2014
2013
2012
2011
2010
Mimulus bigelovii
Bigelow’s Monkeyflower

MayAug

2014
2010
Mimulus cardinalis
scarlet monkeyflower

JuneNov

2014
2013
2012
2011

Plantaginaceae
?Antirrhinum coulterianum
Coulter’s snapdragon

JuneAug

2013
2012
2011
Antirrhinum multiflorum
Sticky snapdragon

MarAug

2014
2013
2012
2011
2010
2009
Keckiella cordifolia
Climbing Penstemon

MayAug

2014
2013
2012
2011
2010
Penstemon heterophyllus
Foothill Penstemon

MayAug

2014
2013
2012
2011
2010
Plantago lanceolata
English Plantain

All year

2013
2012
2011
Veronica anagallis-aquatica
Water Speedwell

All year

2014
2013
2012
2011

Scrophulariaceae
Scrophularia californica
California Figwort

JanOct

2015
2014
2013
2012
2011
2010
Verbascum virgatum
Wand Mullein

All year

2014
2013
2012
2011
2010

Verbenaceae
Verbena lasiostachys
Western verbena

FebSep

2014
2013
2012
2011
2010

Convolvulaceae
Calystegia macrostegia
Coastal Morning Glory

All year

2015
2014
2013
2012
2011
2010
Calystegia malacophylla
Woolly Morning Glory

MayAug

2014
2012
2011
Calystegia purpurata-purpurata
Pacific false bindweed

DecAug

2015
2014
2013
2012
2011
2010
Convolvulus arvensis
bindweed

AprNov

2014
2013
2012
2011
Cuscuta californica
California Dodder

All year

2014
2013
2012
2011
Cuscuta salina
saltmarsh Dodder

AprFeb

2015
2014
2013
2012

Solanaceae
Datura wrightii
Sacred Datura

All year

2015
2014
2013
2012
2011
2010
2009
Nicotiana glauca
tree tobacco

All year

2015
2014
2013
2012
2011
2010
2009
Solanum douglasii
white nightshade

All year

2015
2014
2013
2012
2011
2010
Solanum lanceolatum
Lance-Leaf Nightshade

All year

2014
2013
2012
2011
2010
Solanum xanti
purple nightshade

All year

2015
2014
2013
2012
2011
2010
2009

Boraginaceae
Cryptantha sp.
popcornflower

JanAug

2015
2014
2013
2012
2011
2010
Heliotropium curassavicum
Salt Heliotrope

MayNov

2014
2013
2012
Eriodictyon tomentosum
Woolly yerba santa

MaySep

2014
2013
2012
2011
2010
Nemophila menziesii
baby blue eyes

All year

2015
2014
2013
2012
2011
2010
Phacelia distans
common phacelia

FebOct

2015
2014
2013
2012
2011
2010
Phacelia grandiflora
large flowered phacelia

FebAug

2015
2014
2013
2012
2011
2010
Phacelia imbricata
Imbricate Phacelia

AprOct

2014
2013
2012
2011
2010
Phacelia ramosissima
Rambling Phacelia

AprNov

2014
2013
2012

Cornaceae
Cornus sericea
Creek Dogwood

MarOct

2014
2013
2012

Polemoniaceae
Allophyllum gilioides
Dense false giliflower

MayOct

2014
2013
2012
2011
2010
Leptosiphon parviflorus
Variable Linanthus

JanJune

2015
2014
2013
2012
2011

Primulaceae
Anagallis arvensis
Scarlet Pimpernel

MarOct

2014
2013
2012
2011

Crassulaceae
Dudleya pulverulenta
chalk dudleya

MayAug

2014
2013
2012
2011

Saxifragaceae
Boykinia occidentalis
Brook Foam

JuneSep

2014
2013

Aizoaceae
Carpobrotus chilensis
Sea Fig

All year

2014
2013
2012
2011
Carpobrotus edulis
Hottentot Fig

All year

2014
2013
2012
2011

Amaranthaceae
Atriplex lentiformis
Big Saltbush

MaySep

2014
2013
2012
Chenopodium berlandieri
Pit Seed Goosefoot

DecFeb

2015
2014
2012
2011
Salicornia pacifica
Pickleweed

AugSep

2014
2013
2012
Salsola tragus
Tumbleweed

MarDec

2014
2013
2012
2011

Caryophyllaceae
Silene laciniata
Indian Pink

FebSep

2015
2014
2013
2012
2011
2010

Frankeniaceae
Frankenia salina
Alkali heath

AprFeb

2015
2014
2013
2012

Nyctaginaceae
Abronia maritima
Red sand verbena

All year

2015
2014
2013
2012
2011
2010
Abronia umbellata
Pink sand verbena

All year

2015
2014
2013
2012
2011
2010

Polygonaceae
?Eriogonum baileyi
Bailey’s Buckwheat

MayDec

2014
2013
Eriogonum elongatum
Longstem Buckwheat

JulyJan

2015
2014
2013
2012
2011
Eriogonum fasciculatum
California Buckwheat

FebDec

2015
2014
2013
2012
2011
2010
2009
Eriogonum giganteum
St. Catherine’s lace

MayAug

2014
2013
2012
2010
Eriogonum nudum
Nude Buckwheat

JuneDec

2014
2013
2011
Eriogonum parvifolium
Seacliff Buckwheat

All year

2015
2014
2013
2012
2011
Persicaria amphibia
water knotweed

JulyOct

2014
2013
2012
2011

Portulacaceae
Portulaca oleracea
Common Purslane

April

2014

Brassicaceae
Brassica nigra
black mustard

All year

2015
2014
2013
2012
2011
2010
2009
2008
Brassica rapa
field mustard

All year

2015
2014
2013
2012
2011
2010
Cakile maritima
sea rocket

All year

2015
2014
2013
2012
2011
2010
Nasturtium officinale
watercress

FebDec

2014
2013
2012
2011
2010
Raphanus ssp
wild radish

All year

2015
2014
2013
2012
2011
2010

Tropaeolaceae
Tropaeolum majus
Nasturtium

All year

2014
2013
2012
2011
2010

Geraniaceae
Erodium botrys
long-beaked storksbill

JanSep

2015
2014
2013
2012
2011
2010
Erodium cicutarium
Red-stemmed storksbill

DecAug

2015
2014
2013
2012
2011
2010

Cistaceae
Cistus incanus-creticus
Pink rockrose

JanAug

2015
2014
2013
2012
2011
2010
Helianthemum scoparium
Common Rush-Rose

All year

2015
2014
2013
2012
2011
2010

Malvaceae
Fremontodendron californicum
Flannelbush

JanNov

2015
2014
2013
2012
Malacothamnus fasciculatus
Chaparral mallow

All year

2014
2013
2012
2011
2010
Malva nicaeensis
bull mallow

All year

2015
2014
2013
2012
2011
2010
Malvella leprosa
Alkali mallow

MayNov

2014
2013
2012
2011

Onagraceae
Camissoniopsis cheiranthifolia
Beach Evening Primrose

All year

2015
2014
2013
2012
2011
2010
Clarkia bottae
Punchbowl Clarkia

MarSep

2014
2013
2012
2011
2010
Clarkia purpurea-quadrivulnera
Four-spot

AprAug

2014
2013
2012
2011
2010
Clarkia unguiculata
Elegant Clarkia

MarSep

2014
2013
2012
2011
2010
Epilobium brachycarpum
Panicled Willow herb

JulyOct

2014
2013
2012
2011
Epilobium canum
California-fuchsia

JuneJan

2014
2013
2012
2011
2010
Epilobium ciliatum
Common Willowherb

MayDec

2014
2013
2012
Epilobium densiflorum
Dense-Flowered Willowherb

MayAug

2014
Eulobus californicus
California suncup

JanAug

2015
2014
2013
2012
2011
2010
Gaura coccinea
Linda tarde

MarOct

2013
2012
2011
2010
Oenothera elata
Evening Primrose

All year

2015
2014
2013
2012
2011
2010

Anacardiaceae
Malosma laurina
Laurel sumac

January

2014
2013
2012
2011
2010
2009

Cucurbitaceae
Cucurbita foetidissima
Calabazilla

MayDec

2014
2013

Fabaceae
Vicia villosa
Hairy Vetch

DecJuly

2015
2014
2013
2012
2011
2010
2006
Lupinus chamissonis
Silver lupine

FebOct

2015
2014
2013
2012
2011
2010
Spartium junceum
Spanish broom

FebAug

2014
2013
2012
2011
2010
Acmispon americanus
Spanish clover

JuneAug

2014
2013
2012
2011
Acmispon glaber
Deerweed

All year

2015
2014
2013
2012
2011
2010
Hoita macrostachya
California Hemp

MayNov

2014
2013
2012
2011
2010
Pickeringia montana
Chaparral-pea

MarAug

2014
2013
2012
2011
2010
2009
Melilotus albus
white sweet clover

All year

2015
2014
2013
2012
2011
2010

Rhamnaceae
Ceanothus spinosus
Greenbark

DecAug

2015
2014
2013
2012
2011
2010
2009

Rosaceae
Adenostoma fasciculatum
Chamise

MarSep

2014
2013
2012
2011
2010
Heteromeles arbutifolia
Toyon

FebDec

2014
2013
2012
2011
2010
Rosa californica
california wild rose

MarNov

2014
2013
2012
2011
2010

Urticaceae
Urtica dioica
Stinging Nettle

MayOct

2014
2012
2011
2010

Euphorbiaceae
Croton californicus
California croton

All year

2015
2014
2013
2012
2011
2010
Croton setigerus
Dove weed

MayDec

2014
2013
2012
2011
Ricinus communis
Castor bean

All year

2014
2013
2012
2011
2010

Papaveraceae
Dendromecon rigida
Bush poppy

All year

2015
2014
2013
2012
2011
2010
2009
Ehrendorferia chrysantha
Golden Eardrops

MayMar

2014
2013
2012
2011
2010
Eschscholzia caespitosa
Tufted Poppy

JanSep

2015
2014
2013
2012
2011
2010
Eschscholzia californica
California poppy

DecOct

2015
2014
2013
2012
2011
2010
2009
2008

Ranunculaceae
Clematis ligusticifolia
Creek Clematis

JuneNov

2014
2013
2012
2011
2010

Saururaceae
Anemopsis californica
Yerba mansa

May

2014
2013
2012
2011
2010

Noticed 192 flowers that have bloomed in August.

◁ July | September ▷

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