Agoseris grandiflora
- Families: Asteraceae Cichorioideae Cichorieae
- English name: California dandelion
- Plant ID : 13265
- Author : (Thomas Nuttall (1786-1859)) Edward Lee Greene (1843-1915)
- Zone : California
- Biological type : plant
- Adult size (h x w) : 1,64f x 0,66f
- Sun exposure : full sun
- Evergreen : deciduous
- Growth : fast
- Hardiness : 10,4°F
- Leaf color : dark green
- Flower color : yellow
- Formerly of wild origin : no
- Native : no
- In danger : no
- Edible : no
- Precipitation : > 900mm
- FrostResistance >-5°C : yes
- FrostResistance >-8°C : yes
- FrostResistance >-12°C : yes
- Gravelly soil : very much
- Draining soil : very much
- Soil depth : <3ft
