Roldana Species, Senecio

Roldanacristobalensis

Family
Asteraceae (ass-ter-AY-see-ee)
Species
cristobalensis (kris-to-bal-EN-sis)
Synonym
Roldana petasitis var. cristobalensis
Senecio cristobalensis
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Evergreen
Provides Winter Interest
Succulent
Height
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Spacing
24-36 in. (60-90 cm)
Hardiness
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Bright Yellow
Bloom Time
Late Winter/Early Spring
Other Details
Category
Tropicals and Tender Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
From softwood cuttings
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Arroyo Grande, California

El Dorado Hills, California

Hayward, California

Menlo Park, California

Oakland, California

San Jose, California

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Gardener's Notes:

3
positives
0
neutral
0
negative
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T
Oakland, CA | July 2010 | positive

I love the rich dark foliage on this plant. I picked one up a couple months ago that was a few feet tall in a 5 gal pot. It said full to ...Read More

D
El Dorado Hills, CA (Zone 9a) | April 2009 | positive

I love the leaves and the flowers are an absolute bonus, blooming February thru April... In a pot, it really needs water almost daily in ...Read More

C
Arroyo Grande, CA | March 2005 | positive

This is a wonderful plant with great leaves--gray-green with a purplish cast and fuzzy texture. Flowers, a bright yellow panicle, are a...Read More

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