Hartweg's Iris

Iris hartwegii

Calscape.org

© 2009 Tom Hilton

Plant type: Perennial herb,Geophyte
Size: 1 ft tall
Flower Color: Lavender, Yellow, White, Purple
Flowering season: Spring
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Partial Shade
Water
Water

Very Low, Low

Rainbow Iris

Iris hartwegii ssp. pinetorum

Calscape.org

Copyright © 2012 Jason Matthias Mills

Plant type: Perennial herb,Geophyte
Size: 1 ft tall
Flower Color: White, Yellow
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun, Partial Shade

Central Coast Iris

Iris longipetala

Calscape.org

Copyright © 2014 Aaron Schusteff

Plant type: Perennial herb,Geophyte
Size: 2 ft tall , 2 ft wide
Form: Upright
Flower Color: Blue, Lavender, Purple, White
Flowering season: Spring
Dormancy: Summer Semi-deciduous
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Deep Shade, Partial Shade
Water
Water

Low, Moderate, High
Irrigation
Summer irrigation

Irrigate ~ 1 / wk once established
Watering
Soil drainage

Medium, Slow

Long Tubed Iris

Iris macrosiphon

Calscape.org

© 2005 Gary A. Monroe

Plant type: Perennial herb,Geophyte
Size: 1 - 2 ft tall , 1 ft wide
Growth rate: Moderate
Flower Color: Blue, Cream, Lavender, Pink, Purple, White, Yellow
Flowering season: Spring
Dormancy: Summer Semi-deciduous, Winter Deciduous
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun, Partial Shade
Water
Water

Low
Irrigation
Summer irrigation

Max 2x / month once established
Watering
Soil drainage

Medium

Mt. Madonna Ground Iris

Iris macrosiphon 'Mt. Madonna'

Calscape.org

© Theodore Payne Foundation.

Plant type: Perennial herb,Geophyte
Size: 6 - 12 in tall , 1 - 2 ft wide
Form: Clumping
Growth rate: Moderate
Flower Color: Purple
Flowering season: Spring
Dormancy: Evergreen
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun, Partial Shade
Water
Water

Low
Watering
Soil drainage

Fast

Western Blue Flag

Iris missouriensis

Calscape.org

© 2010 Barry Breckling

Plant type: Perennial herb,Geophyte
Size: 1 - 2 ft tall
Form: Upright, Spreading
Growth rate: Fast
Flower Color: Purple
Flowering season: Spring
Dormancy: Winter Deciduous
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Partial Shade, Full Sun
Water
Water

Low, Moderate, High
Irrigation
Summer irrigation

Max 1x / month once established
Watering
Soil drainage

Fast, Medium, Slow

Toughleaf Iris

Iris tenax

Calscape.org

Copyright © 2011 Aaron Arthur

Plant type: Perennial herb,Geophyte
Size: 10 - 18 in tall
Form: Upright
Growth rate: Moderate
Flower Color: Purple, Lavender, Blue
Flowering season: Spring
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Deep Shade, Partial Shade
Water
Water

Low

Orleans Iris

Iris tenax ssp. klamathensis

Calscape.org

Copyright © 2001 California Academy of Sciences

Plant type: Perennial herb,Geophyte
Size: 1 ft tall
Flower Color: White, Pink
Flowering season: Spring
Dormancy: Evergreen
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Deep Shade

Longtube Iris

Iris tenuissima

Calscape.org

© 2009 Gary A. Monroe

Plant type: Perennial herb,Geophyte
Flower Color: White, Purple, Red, Brown
Flowering season: Spring
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun, Partial Shade
Water
Water

Very Low, Low

Slender Tubed Iris

Iris tenuissima ssp. purdyiformis

Calscape.org

Copyright © 2015 Susan McDougall

Plant type: Perennial herb,Geophyte
Flower Color: White, Lavender
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun, Partial Shade

Alkali Goldenbush

Isocoma acradenia

Calscape.org

Copyright © 2011 Zoya Akulova

Plant type: Shrub
Size: 3 ft tall
Flower Color: Yellow
Wildlife supported:
bumblebee
caterpillar
butterfly
Landscape information:
Water
Water

Very Low

Isocoma acradenia var. acradenia

Calscape.org

Copyright © 2009 California State University, Stanislaus

Plant type: Shrub
Flower Color: Yellow
Wildlife supported:
caterpillar
butterfly
Landscape information:
Water
Water

Very Low

Isocoma acradenia var. bracteosa

Calscape.org

Copyright © 2008 Chris Winchell

Plant type: Shrub
Flower Color: Yellow
Wildlife supported:
caterpillar
butterfly
Landscape information:
Water
Water

Very Low

Isocoma acradenia var. eremophila

Calscape.org

Copyright © 2010 Aaron Schusteff

Plant type: Shrub
Flower Color: Yellow
Wildlife supported:
caterpillar
butterfly
Landscape information:
Water
Water

Very Low

Carquinez Goldenbush

Isocoma arguta

Calscape.org

Copyright © 2010 Doug Wirtz

Plant type: Shrub
Size: 2 ft tall
Flower Color: Yellow, Green, Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Water
Water

Very Low

Menzies' Goldenbush

Isocoma menziesii

Calscape.org

Copyright © 2007 Lynn Watson

Plant type: Shrub
Size: 2 - 3 ft tall , 5 ft wide
Form: Spreading
Flower Color: Yellow
Flowering season: Summer, Spring, Fall
Dormancy: Summer Semi-deciduous
Wildlife supported:
Bats
bumblebee
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun, Partial Shade
Water
Water

Very Low
Irrigation
Summer irrigation

Max 2x / month once established
Watering
Soil drainage

Fast, Medium

Menzies' Goldenbush

Isocoma menziesii var. decumbens

Calscape.org

Copyright © 2005 Vince Scheidt

Plant type: Shrub
Flower Color: Yellow
Flowering season: Spring, Summer, Fall
Wildlife supported:
bumblebee
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Water
Water

Very Low

Satan's Goldenbush

Isocoma menziesii var. diabolica

Calscape.org

Copyright © 2011 Chris Winchell

Plant type: Shrub
Flower Color: Yellow
Wildlife supported:
bumblebee
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Water
Water

Very Low

Menzies' Goldenbush

Isocoma menziesii var. menziesii

Calscape.org

Copyright © 2004 Debra Valov

Plant type: Shrub
Size: 7 ft tall
Flower Color: Yellow
Wildlife supported:
bumblebee
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Water
Water

Very Low
Watering
Soil drainage

Fast

Menzies' Goldenbush

Isocoma menziesii var. sedoides

Calscape.org

Copyright © 2014 Steve Matson

Plant type: Shrub
Size: 7 ft tall
Flower Color: Yellow
Wildlife supported:
Bats
bumblebee
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Water
Water

Very Low
Watering
Soil drainage

Fast

Green-leaved Dune Goldenbush

Isocoma menziesii var. vernonioides

Calscape.org

Copyright © 2014 Steve Matson

Plant type: Shrub
Flower Color: Yellow
Wildlife supported:
bumblebee
caterpillar
butterfly
Landscape information:
Water
Water

Very Low

Annual Tule

Isolepis cernua

Calscape.org

© Gordon Leppig & Andrea J. Pickart

Plant type: Grass
Size: 1 ft tall
Flower Color: Brown
Wildlife supported:
Bats
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Water
Water

Moderate, High
Watering
Soil drainage

Fast, Medium, Slow

Narrow-leaved Cryptantha

Johnstonella angustifolia

Calscape.org

Copyright © 2005 Steve Matson

Plant type: Annual herb
Size: 2 - 19 in tall
Flower Color: White
Wildlife supported:
bumblebee
caterpillar
butterfly

Winged Cryptantha

Johnstonella holoptera

Calscape.org

Copyright © 2011 Steve Matson

Plant type: Annual herb
Size: 4 - 24 in tall
Flower Color: White
Wildlife supported:
caterpillar
butterfly

Shrubby Cryptantha

Johnstonella racemosa

Calscape.org

Copyright © 2009 Steve Matson

Plant type: Annual herb,Perennial herb
Size: 8 - 40 in tall
Flower Color: White
Wildlife supported:
caterpillar
butterfly

Southern California Black Walnut

Juglans californica

Calscape.org

Copyright 2013 Lynn Watson (SB)

Plant type: Tree
Size: 50 - 75 ft tall , 50 - 75 ft wide
Form: Rounded
Growth rate: Moderate
Flower Color: Yellow
Flowering season: Spring
Dormancy: Winter Deciduous
Wildlife supported:
Bats
Birds
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun, Partial Shade
Water
Water

Low, Moderate
Irrigation
Summer irrigation

Max 1x / month once established
Watering
Soil drainage

Fast, Medium, Slow

Northern California Black Walnut

Juglans hindsii

Calscape.org

Copyright © 2016 Steve Matson

Plant type: Tree
Size: 60 ft tall
Flower Color: Green, White
Flowering season: Spring
Wildlife supported:
Bats
Birds
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Water
Water

Low, Moderate
Watering
Soil drainage

Fast, Medium, Slow

Taper Tip Rush

Juncus acuminatus

Calscape.org

© 1989 Robert H. Mohlenbrock

Plant type: Grass
Size: 2 - 3 ft tall
Form: Upright
Growth rate: Moderate
Flower Color: Purple
Flowering season: Spring
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Watering
Soil drainage

Fast, Standing

Spiny Rush

Juncus acutus

Calscape.org

©2006 Luigi Rignanese

Plant type: Grass
Size: 5 ft tall , 5 ft wide
Form: Fountain
Growth rate: Moderate
Flower Color: Brown
Dormancy: Evergreen
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Water
Water

Moderate
Irrigation
Summer irrigation

Keep moist
Watering
Soil drainage

Slow, Standing

Leopold's Rush

Juncus acutus ssp. leopoldii

Calscape.org

© 2006 Steve Matson

Plant type: Grass
Size: 5 ft tall
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Water
Water

Moderate
Watering
Soil drainage

Fast, Medium, Slow, Standing

Jointed Rush

Juncus articulatus

Calscape.org

© 2005 Fabelfroh

Plant type: Grass
Size: 2 ft tall
Form: Upright
Growth rate: Moderate
Flower Color: Purple, Green, Brown
Flowering season: Summer
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Watering
Soil drainage

Standing

Jointed Rush

Juncus articulatus ssp. articulatus

Calscape.org

-

Plant type: Grass
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Watering
Soil drainage

Standing

Baltic Rush

Juncus balticus

Calscape.org

©2015 Steve Matson

Plant type: Grass
Size: 3 ft tall
Form: Fountain
Growth rate: Fast
Flower Color: Brown
Dormancy: Evergreen
Wildlife supported:
Bats
caterpillar
butterfly
Landscape information:
Sun
Sun

Partial Shade
Water
Water

Moderate, High
Irrigation
Summer irrigation

Keep moist
Watering
Soil drainage

Fast, Medium, Slow, Standing

Baltic Rush

Juncus balticus ssp. ater

Calscape.org

Copyright © 2015 Steve Matson

Plant type: Grass
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Watering
Soil drainage

Standing

Bolander's Rush

Juncus bolanderi

Calscape.org

© Copyright 2003 Steve Matson

Plant type: Grass
Size: 3 ft tall
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Watering
Soil drainage

Fast, Standing

Salt

Juncus breweri

Calscape.org

Copyright © 2003 Steve Matson

Plant type: Grass
Size: 4 ft tall
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Watering
Soil drainage

Standing

Moss Rush

Juncus bryoides

Calscape.org

Copyright © 2004 Steve Matson

Plant type: Grass
Size: 0.8 in tall
Flower Color: Red
Wildlife supported:
caterpillar
butterfly

Toad Rush

Juncus bufonius

Calscape.org

© 2007 Fabelfroh, Photographed by Kristian Peters

Plant type: Grass
Size: 1 ft tall
Form: Upright
Growth rate: Fast
Flower Color: Green
Flowering season: Spring
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Water
Water

Moderate, High
Irrigation
Summer irrigation

Keep moist
Watering
Soil drainage

Fast, Medium, Slow

Toad Rush

Juncus bufonius var. bufonius

Calscape.org

Copyright © 2003 George W. Hartwell

Plant type: Grass
Size: 1 ft tall
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Watering
Soil drainage

Standing

Clustered Toad Rush

Juncus bufonius var. congestus

Calscape.org

Copyright © 2009 Neal Kramer

Plant type: Grass
Size: 1 ft tall
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Watering
Soil drainage

Standing

Western Toad Rush

Juncus bufonius var. occidentalis

Calscape.org

Copyright © 2004 Steve Matson

Plant type: Grass
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Watering
Soil drainage

Standing

Hairstemmed Rush

Juncus capillaris

Calscape.org

Copyright © 2003 Steve Matson

Plant type: Grass
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Watering
Soil drainage

Standing

Greenheaded Rush

Juncus chlorocephalus

Calscape.org

Copyright © 2003 Steve Matson

Plant type: Grass
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly

Colorado Rush

Juncus confusus

Calscape.org

Copyright © 2015 Steve Matson

Plant type: Grass
Size: 1 - 2 ft tall
Form: Upright
Growth rate: Moderate
Flower Color: Brown
Flowering season: Summer
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun, Partial Shade

Cooper's Rush

Juncus cooperi

Calscape.org

Copyright © 2004 Steve Matson

Plant type: Grass
Size: 3 ft tall
Flower Color: Green, Brown
Wildlife supported:
caterpillar
butterfly

Coville's Rush

Juncus covillei

Calscape.org

Copyright © 2004 Steve Matson

Plant type: Grass
Size: 10 in tall
Flower Color: Green, Brown
Wildlife supported:
caterpillar
butterfly

Drummond's Rush

Juncus drummondii

Calscape.org

© 2009 Matt Lavin

Plant type: Grass
Size: 10 - 18 in tall
Form: Upright
Growth rate: Slow
Flower Color: Brown, Green
Flowering season: Summer
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun, Partial Shade

Dubius Rush

Juncus dubius

Calscape.org

Plant type: Grass
Size: 2 ft tall
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Partial Shade
Water
Water

Moderate, High
Watering
Soil drainage

Standing

Dudley's Rush

Juncus dudleyi

Calscape.org

Copyright © 2017 Dean Wm. Taylor

Plant type: Grass
Size: 2 ft tall
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Partial Shade
Watering
Soil drainage

Standing

Soft Rush

Juncus effusus

Calscape.org

Copyright © 2007 Dr. Amadej Trnkoczy

Plant type: Grass
Size: 5 - 7 ft tall , 3 ft wide
Form: Upright, Fountain
Growth rate: Fast, Moderate
Flower Color: Brown
Flowering season: Summer
Dormancy: Evergreen
Wildlife supported:
Bats
caterpillar
butterfly
Landscape information:
Sun
Sun

Partial Shade
Water
Water

Moderate, High
Irrigation
Summer irrigation

Max 1x / week once established
Watering
Soil drainage

Slow, Standing

Corkscrew Rush

Juncus effusus 'Spiralis'

Calscape.org

-

Plant type: Grass
Size: 1 - 3 ft tall
Flowering season: Spring
Wildlife supported:
Bats
caterpillar
butterfly
Landscape information:
Sun
Sun

Partial Shade
Water
Water

Moderate, High

Sonoran

Juncus effusus ssp. austrocalifornicus

Calscape.org

-

Plant type: Grass
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly

Pacific Rush

Juncus effusus ssp. pacificus

Calscape.org

© 2008 Stickpen

Plant type: Grass
Flower Color: Brown
Wildlife supported:
Bats
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Water
Water

Moderate, High
Watering
Soil drainage

Fast, Medium, Slow, Standing

Three Stamened Rush

Juncus ensifolius

Calscape.org

© Copyright 2002 Steve Matson

Plant type: Grass
Size: 8 - 24 in tall
Form: Upright
Growth rate: Moderate
Flower Color: Purple, Brown, Black
Flowering season: Summer
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Partial Shade
Watering
Soil drainage

Standing

Klamath

Juncus exiguus

Calscape.org

Copyright © 2004 Steve Matson

Plant type: Grass
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Watering
Soil drainage

Standing

Falcate Rush

Juncus falcatus

Calscape.org

© Gordon Leppig & Andrea J. Pickart

Plant type: Grass
Size: 1 ft tall
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun
Watering
Soil drainage

Fast

Sickleleaved Rush

Juncus falcatus ssp. falcatus

Calscape.org

Copyright © University and Jepson Herbaria

Plant type: Grass
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly

Alaskan Sickleleaved Rush

Juncus falcatus ssp. sitchensis

Calscape.org

-

Plant type: Grass
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly

Herman's Dwarf Rush

Juncus hemiendytus

Calscape.org

Copyright © 2004 Steve Matson

Plant type: Grass
Size: 1 in tall
Flower Color: Red
Wildlife supported:
caterpillar
butterfly

Center Basin Rush

Juncus hemiendytus var. abjectus

Calscape.org

Copyright © 2004 Steve Matson

Plant type: Grass
Flower Color: Brown
Wildlife supported:
caterpillar
butterfly