Telegraph-weed
Heterotheca grandiflora
Last reviewed: August 2026
Light
full sun
Water
low
Size
12"–40" H × 12"–24" W
Bloom
Jun, Jul, Aug, Sep, Oct
Native to
AZ, CA, NV, UT
Pollinators
bees, butterflies
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 431 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaTelegraph weed is an upright, somewhat rangy annual to short-lived perennial forb with sticky, hairy leaves and bright yellow daisy flowers. It colonizes disturbed dry ground and roadsides.
Wildlife value
The abundant summer and fall flowers attract a wide variety of bees and butterflies, making it a useful, if informal-looking, nectar source.
Common questions
- How much sun does Telegraph-weed need?
- Telegraph-weed grows best in full sun conditions.
- When does Telegraph-weed bloom?
- Telegraph-weed blooms in June, July, August, September, and October.
- Where is Telegraph-weed native?
- Telegraph-weed (Heterotheca grandiflora) is native to AZ, CA, NV, UT, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Telegraph-weed attract?
- Telegraph-weed draws bees and butterflies.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Telegraph-weed? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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