Douglas Iris

Iris douglasiana

Calscape.org

Copyright © 2015 Barry Breckling

Plant type: Perennial herb,Geophyte
Size: 7 - 31 in tall , 2 - 4 ft wide
Form: Fountain
Growth rate: Fast, Moderate
Flower Color: Blue, Pink, Purple, White, Yellow
Flowering season: Winter, Spring
Dormancy: Evergreen
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun, Partial Shade, Deep Shade
Water
Water

Low, Moderate
Irrigation
Summer irrigation

Max 1x / month once established
Watering
Soil drainage

Slow

Point Reyes Douglas Iris

Iris douglasiana 'Point Reyes'

Calscape.org

© Theodore Payne Foundation.

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

Full Sun, Partial Shade, Deep Shade
Water
Water

Low, Moderate
Watering
Soil drainage

Fast, Medium, Slow

Portuguese Beach Pacifica Iris

Iris douglasiana 'Portuguese Beach'

Calscape.org

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, Moderate
Watering
Soil drainage

Fast, Medium

Yellow Douglas Iris

Iris douglasiana 'Yellow'

Calscape.org

-

Plant type: Perennial herb,Geophyte
Form: Clumping
Dormancy: Evergreen
Wildlife supported:
caterpillar
butterfly
Landscape information:
Sun
Sun

Full Sun, Partial Shade, Deep Shade
Water
Water

Low, Moderate

Fernald's Iris

Iris fernaldii

Calscape.org

Copyright © 2011 Aaron Arthur

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

Deep Shade, Partial Shade

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. australis

Calscape.org

Copyright © 2001 George W. Hartwell

Plant type: Perennial herb,Geophyte
Flower Color: White, Pink
Wildlife supported:
Landscape information:
Sun
Sun

Full Sun, Partial Shade

Tuolumne Iris

Iris hartwegii ssp. columbiana

Calscape.org

Iris hartwegii ssp. columbiana

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

Full Sun, Partial Shade

Rainbow Iris

Iris hartwegii ssp. hartwegii

Calscape.org

© 2010 Barry Breckling

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

Full Sun, Partial Shade

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

Del Norte County Iris

Iris innominata

Calscape.org

© 2010 Gary A. Monroe

Plant type: Perennial herb,Geophyte
Size: 5 - 8 in tall
Flower Color: Purple, Yellow
Flowering season: Spring
Dormancy: Evergreen
Wildlife supported:
Landscape information:
Sun
Sun

Partial Shade
Water
Water

Low
Irrigation
Summer irrigation

Max 1x / month once established
Watering
Soil drainage

Fast

Ed Wood Del Norte County Iris

Iris innominata 'Ed Wood'

Calscape.org

-

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

Partial Shade
Water
Water

Low
Watering
Soil drainage

Fast

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

Munz's Iris

Iris munzii

Calscape.org

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

Full Sun, Partial Shade

Red Violet Pacific Coast Hybrid Iris

Iris Pacific Coast Hybrid 'Red Violet'

Calscape.org

Iris Pacific Coast Hybrid 'Red Violet'

Plant type: Perennial herb,Geophyte
Growth rate: Moderate
Flowering season: Spring
Dormancy: Evergreen
Wildlife supported:
Landscape information:
Watering
Soil drainage

Medium

Purdy's Iris

Iris purdyi

Calscape.org

© 1994 Gary A. Monroe

Plant type: Perennial herb,Geophyte
Size: 1 ft tall
Flower Color: White, Pink, Yellow, Green, Lavender, Red
Wildlife supported:
Landscape information:
Sun
Sun

Deep Shade, Partial Shade

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

Longtube Iris

Iris tenuissima ssp. tenuissima

Calscape.org

Copyright © 2005 George W. Hartwell

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

Full Sun, Partial Shade

Thompson's Iris

Iris thompsonii

Calscape.org

Copyright © 2017 Steve Matson

Plant type: Perennial herb,Geophyte
Flower Color: Lavender
Wildlife supported:

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

Bolander's Quillwort

Isoetes bolanderi

Calscape.org

Copyright © 2005 Steve Matson

Plant type: Fern
Wildlife supported:

Spiny Quillwort

Isoetes echinospora

Calscape.org

-

Plant type: Fern
Wildlife supported:

Howell's Quillwort

Isoetes howellii

Calscape.org

Copyright © 2004 Carol W. Witham

Plant type: Fern
Wildlife supported:

Nuttall's Quillwort

Isoetes nuttallii

Calscape.org

Copyright © 2011 Barry Breckling

Plant type: Fern
Wildlife supported:

Western Quillwort

Isoetes occidentalis

Calscape.org

Copyright © 2015 Steve Matson

Plant type: Fern
Wildlife supported:

Orcutt's Quillwort

Isoetes orcuttii

Calscape.org

Copyright © 2004 Carol W. Witham

Plant type: Fern
Wildlife supported:

Keeled Bulrush

Isolepis carinata

Calscape.org

Copyright © 2004 Steve Matson

Plant type: Grass
Size: 10 in tall
Flower Color: Brown
Wildlife supported:

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

Poverty Weed

Iva axillaris

Calscape.org

Copyright © 2012 Aaron Arthur

Plant type: Perennial herb
Wildlife supported:

San Diego Abundanceweed

Iva hayesiana

Calscape.org

© 2008 Stickpen

Plant type: Perennial herb
Size: 2 - 4 ft tall , 6 - 9 ft wide
Form: Spreading
Growth rate: Fast
Flower Color: Yellow, Green
Dormancy: Evergreen
Wildlife supported:
Landscape information:
Sun
Sun

Full Sun
Water
Water

Very Low, Low
Irrigation
Summer irrigation

Max 1x / week once established
Watering
Soil drainage

Fast, Medium, Slow

Sierra Valley Mousetail

Ivesia aperta

Calscape.org

Copyright © 2008 Steve Matson

Plant type: Perennial herb
Size: 6 - 18 in tall
Wildlife supported:

Sierra Valley Ivesia

Ivesia aperta var. aperta

Calscape.org

Copyright © 2008 Steve Matson

Plant type: Perennial herb
Size: 6 - 18 in tall
Wildlife supported:

Dog Valley Ivesia

Ivesia aperta var. canina

Calscape.org

Copyright © 2005 Steve Matson

Plant type: Perennial herb
Size: 6 - 18 in tall
Wildlife supported:

Silverhair Mousetail

Ivesia argyrocoma

Calscape.org

Copyright © 2006 Steve Matson

Plant type: Perennial herb
Flower Color: Yellow, White, Green, Red
Wildlife supported:

Silver-haired Ivesia

Ivesia argyrocoma var. argyrocoma

Calscape.org

Copyright © 2015 Keir Morse

Plant type: Perennial herb
Size: 4 - 8 in tall
Wildlife supported:

Arizona Whitefeather

Ivesia arizonica

Calscape.org

Copyright © 2012 Dana York

Plant type: Perennial herb
Wildlife supported:

Yellow Purpusia

Ivesia arizonica var. arizonica

Calscape.org

Copyright © 2012 Dana York

Plant type: Perennial herb
Size: 2 - 4 in tall
Wildlife supported:

Bailey's Ivesia

Ivesia baileyi

Calscape.org

Copyright © 1990 Dean Wm. Taylor

Plant type: Perennial herb
Size: 2 - 8 in tall
Flower Color: Yellow, White, Cream
Wildlife supported:

Bailey's Ivesia

Ivesia baileyi var. baileyi

Calscape.org

Copyright © 1990 Dean Wm. Taylor

Plant type: Perennial herb
Size: 2 - 8 in tall
Wildlife supported:

Owyhee Ivesia Violet

Ivesia baileyi var. beneolens

Calscape.org

Copyright © 1990 Dean Wm. Taylor

Plant type: Perennial herb
Size: 2 - 8 in tall
Wildlife supported:

Tahquitz Ivesia

Ivesia callida

Calscape.org

Copyright © 2008 Jordan Zylstra

Plant type: Perennial herb
Size: 0.8 - 6 in tall
Wildlife supported:

Field Ivesia

Ivesia campestris

Calscape.org

Copyright © 2016 John Doyen

Plant type: Perennial herb
Wildlife supported:

Gordon's Mousetail

Ivesia gordonii

Calscape.org

Copyright © 2005 Steve Matson

Plant type: Perennial herb
Size: 2 - 8 in tall
Flower Color: Yellow, Green
Wildlife supported:

Ivesia gordonii var. alpicola

Calscape.org

Copyright © 2013 Barry Breckling

Plant type: Perennial herb
Size: 2 - 8 in tall
Wildlife supported: