Tohono Chul Park

Echinocactus grusonii - Golden Barrel

Sun: Full sun
Size: 3' x 3' Blossom 1.2 - 2"
Min. Temp: 14 degrees
Water Use: Moderate
Bloom Time: Spring

Echinocereus pentalopus - Hedgehog

Sun: Full sun to part shade
Size: Blossom 4-6"
Min. Temp: 25 degrees
Water Use: Low
Bloom Time: Spring

Echinocereus triglochidiatus - Claret Cup Hedgehog

Sun: Full sun to shade
Size: 1' x 2' Blossom 1-3"
Min. Temp: 20 degrees
Water Use: Low
Bloom Time: Spring
Notes: Arizona native

Encelia farinosa - Brittlebush

Sun: Full or reflected sun
Size: 4' x 4' Blossom 2"
Min. Temp: 25 degrees
Water Use: Low
Bloom Time: All year
Notes: Root hardy; Attracts butterflies; Rabbit resistant; Arizona native

Eremophylla laanii - Pink Beauty

Sun: Full sun
Size: 7' x 7' Blossom 1.2"
Min. Temp: 25 degrees
Water Use: Low
Bloom Time: Spring
Notes: Rabbit resistant

Eremophylla maculata - Valentine

Sun: Full sun
Size: 4' x 5'
Min. Temp: 15 degrees
Water Use: Low-Moderate
Bloom Time: January to March
Notes: Attracts hummingbirds

Eremophylla - Summertime Blue

Sun: Full or reflected sun
Size: 6' x 10'
Min. Temp: 25 degrees
Water Use: Low
Bloom Time: Spring through summer
Notes: Rabbit resistant

Ericameria larcifolia - Turpentine Bush

Sun: Full sun
Size: 4' x 6' Blossom .4"
Min. Temp: 10 degrees
Water Use: Low
Bloom Time: Fall
Notes: Rabbit resistant; Arizona native

Eriogonum fasciculatum - Flattop Buckwheat

Sun: Full sun
Size: 2' x 2' Blossom 1.2" cluster
Min. Temp: 10 degrees
Water Use: Low
Bloom Time: March to November
Notes: Attracts butterflies; Rabbit resistant; Arizona native

Erysimum capitatum - Western Wallflower

Sun: Full sun to part shade
Size: 2' Blossom .75"
Min. Temp: -10 degrees
Water Use: Low
Bloom Time: May to July
Notes: Arizona native

Erysimum wheeleri - Wheeler's Wallflower

Sun: Full sun to part shade
Size: 2' Blossom .75"
Min. Temp: -10 degrees
Water Use: Low
Bloom Time: May to July
Notes: Arizona native

Erythrina flabelliformis - Southwest Coral Bean

Sun: Full sun
Size: 6-20' x 6' Blossom 1-2"
Min. Temp: 28 degrees
Water Use: Low
Bloom Time: March to May
Notes: Arizona native

Eupatorium greggii - Throughwort

Sun: Full sun
Size: 1' x 1'
Water Use: Moderate
Bloom Time: Spring to fall
Notes: Attracts butterflies; Arizona native; Root hardy

Euphorbia rigida - Gopher Plant

Sun: Full sun
Size: 2' x 3-5'
Min. Temp: 20 degrees
Water Use: Low
Bloom Time: Spring

Eysenhardtia orthocarpa - Kidneywood

Sun: Full sun to part shade
Size: 18' x 15' Blossom 3" raceme
Min. Temp: 15 degrees
Water Use: Low
Bloom Time: Summer
Notes: Attracts butterflies; Arizona native