10 October

Flowers blooming in October

◁ September | November ▷

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 October


Xanthorrhoeaceae
Asphodelus fistulosus
Asphodel

All year

2015
2014
2013
2012
2011
2010
2009
2008

Apiaceae
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
Symphyotrichum subulatum
Baby’s breath Aster

SepJan

2014
2013
2011
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
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 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
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 fascicularis
Narrow-leaved Milkweed

MayOct

2014
2012
2011
Vinca major
periwinkle

All year

2015
2014
2013
2012
2011
2010

Lamiaceae
Marrubium vulgare
Horehound

MarNov

2014
2013
2012
2011
2010
Stachys rigida
woodmint

DecOct

2015
2014
2013
2012
2011
2010
Mentha spicata
Spearmint

JulyNov

2014
2013
2012
2011
2010
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 cardinalis
scarlet monkeyflower

JuneNov

2014
2013
2012
2011

Plantaginaceae
Antirrhinum multiflorum
Sticky snapdragon

MarAug

2014
2013
2012
2011
2010
2009
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

Convolvulaceae
Calystegia macrostegia
Coastal Morning Glory

All year

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
Heliotropium curassavicum
Salt Heliotrope

MayNov

2014
2013
2012
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 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

Primulaceae
Anagallis arvensis
Scarlet Pimpernel

MarOct

2014
2013
2012
2011

Grossulariaceae
Ribes malvaceum
Chaparral currant

SepMay

2015
2014
2013
2012
2011
2010

Aizoaceae
Carpobrotus chilensis
Sea Fig

All year

2014
2013
2012
2011
Carpobrotus edulis
Hottentot Fig

All year

2014
2013
2012
2011

Amaranthaceae
Chenopodium berlandieri
Pit Seed Goosefoot

DecFeb

2015
2014
2012
2011
Salsola tragus
Tumbleweed

MarDec

2014
2013
2012
2011

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 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
Persicaria lapathifolia
Common knotweed

SepDec

2014
2013

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

Cistaceae
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

Myrtaceae
Eucalyptus globulus
Blue gum

OctApr

2015
2014
2013
2012
2011
2010
2009
2008

Onagraceae
Camissoniopsis cheiranthifolia
Beach Evening Primrose

All year

2015
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
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
Rhus integrifolia
Lemonade Berry

SepApr

2015
2014
2013
2012
2011

Cucurbitaceae
Cucurbita foetidissima
Calabazilla

MayDec

2014
2013

Fabaceae
Lathyrus vestitus
common pacific pea

SepJune

2015
2014
2013
2012
2011
2010
Lupinus chamissonis
Silver lupine

FebOct

2015
2014
2013
2012
2011
2010
Acmispon glaber
Deerweed

All year

2015
2014
2013
2012
2011
2010
Hoita macrostachya
California Hemp

MayNov

2014
2013
2012
2011
2010
Melilotus albus
white sweet clover

All year

2015
2014
2013
2012
2011
2010
Melilotus indicus
yellow sweet clover

SepJuly

2015
2014
2013
2012
2011
2010

Rhamnaceae
Rhamnus californica
Coffee Berry

AprJuly

2014
2013
2012
2011

Rosaceae
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 californica
California poppy

DecOct

2015
2014
2013
2012
2011
2010
2009
2008

Ranunculaceae
Clematis ligusticifolia
Creek Clematis

JuneNov

2014
2013
2012
2011
2010

Noticed 149 flowers that have bloomed in October.

◁ September | November ▷

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