Photo by Melody

PlantFiles: Senecio
Senecio cristobalensis

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Senecio (sen-ek-ee-o ) (Info)
Species: cristobalensis (kris-to-bal-EN-sis) (Info)

One vendor has this plant for sale.

3 members have or want this plant for trade.

Tropicals and Tender Perennials

6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)

24-36 in. (60-90 cm)

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)

Sun Exposure:
Full Sun
Sun to Partial Shade

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:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Provides winter interest

Soil pH requirements:
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From softwood cuttings

Seed Collecting:
Unknown - Tell us

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3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive toro8214 On Jul 19, 2010, toro8214 from Oakland, CA wrote:

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 partial I planted it in a spot that gets am sun till about 1pm in the summer. Unfortunately thats seems to be a bit much as the leaves wilt and burn slightly (not from drying out)..even with the mild summer temps here in oakland (it has yet to get above 85 so far this year) They always perk back up though and plenty of new growth. Im hoping it will acclimate and toughen up,it was in shade at the nursery so probably wasnt ready for full sun. I suspect it would do best in flitered sun light.

Positive davelvb On Apr 2, 2009, davelvb from El Dorado Hills, CA (Zone 9a) wrote:

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 hot weather, and the leaves will most certainly tell you when, as the wilt easily. I have used good amounts of fertilizer on this plant, and it responds by sending up alot of new growth; a very healthy plant, and a wonderful foliage plant. Always is the one people ask me about. It easily grows to about 5-6 feet in a 15" pot. I wack it down to about 8" each year, and it grows back quickly and more full yearly.

Positive Chuck1260 On Mar 23, 2005, Chuck1260 from Arroyo Grande, CA wrote:

This is a wonderful plant with great leaves--gray-green with a purplish cast and fuzzy texture. Flowers, a bright yellow panicle, are a bonus. It got about five feet tall in its second year and started putting out underground runners. I cut it to the ground in January and it started putting out leaves in February. It is probably frost sensitive, but I am not sure as we do not get much frost here. Needs somewhat regular water and reasonably good soil.


This plant has been said to grow 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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