Look for Ribes sanguineum, or “pink flowering currant,” growing abundantly in Golden Gate Park in early spring.
Polygonum capitatum, or “pink knotweed,” can be spotted crowding the edges of sidewalks and planters.
Most of the flowering cherry trees in San Francisco are Japanese cultivars, Prunus serrulata.
Aloe arborescens, or “candelabra aloe,” blooms across the city in winter.
Salvia leucantha, “Mexican bush sage.”
Aeonium arboreum, “tree houseleek” or “Irish rose.”
Crassula ovata, “jade plant.”
Ceanothus, “California lilac” or “wild lilac,” blooms in March across the city.
Malus “Liset” crabapple tree. This crabapple hosts several kinds of orange- and green-hued, tree-growing lichen.
Eschscholzia californica, or “California poppy,” is a nyctinastic plant that closes at night and opens in the warm sunlight.
Metrosideros excelsa, “New Zealand Christmas tree” or “pōhutukawa.”
Tibouchina urvilleana, “princess flower” or “glory bush,” native to Brazil.
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Helen R. Gaus
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