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Large Flower Linanthus

Leptosiphon grandiflorus

Also called Large Flowered Leptosiphon

Large Flower Linanthus
Photo: anniesannuals, CC BY 2.0

Large flower linanthus is a low annual wildflower of California's coastal hills and grasslands, producing white or pinkish funnel-shaped flowers from April to July. It is a rare native species, so it is best grown from ethically sourced seed and kept in full sun with good drainage.

Family
Polemoniaceae (Polemoni family)
Grows as
Annual
Light
Full sun
Water
Water lightly after sowing and during dry spells in early growth; let it dry out in summer as it would in its native climate.
Soil
Well-drained, sandy or gravelly soil; poor soil is fine.
Temperature
Mild conditions suited to a Mediterranean climate; tolerates cool winters and dry summers; protect from hard frost.
How easy
Easy
Native range
W. California
Climate
subtropical

About

Leptosiphon grandiflorus (syn. Linanthus grandiflorus) is a species of flowering plant in the phlox family known by the common names large-flower linanthus and large flowered leptosiphon.

Where it grows

It is endemic to California, where it is known from the California Coast Ranges of the Central Coast and the San Francisco Bay Area. It grows below 1,200 metres (3,900 ft) in chaparral, coastal prairie, coastal sage scrub, closed-cone pine forest, grassland, and oak woodland habitats.

Other Leptosiphon plants

Bristly linanthus · Serpentine linanthus · False Babystars · Golden linanthus · True Babystars · Bolander's linanthus · Mojave linanthus · Whiskerbrush · Thread linanthus · Lemmon's linanthus · Narrowflower flaxflower · Mustang clover

Text excerpted from the Wikipedia article Leptosiphon grandiflorus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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