Silk-grass Goldenaster (Heterotheca Grandiflora) is a annual or perennial herb in the Asteraceae family with easy care difficulty. It requires low to medium watering and full sun light in USDA hardiness zones 7-10. This plant is safe for cats and dogs.

Heterotheca grandiflora is a species of flowering plant in the family Asteraceae, native and endemic to California, known commonly as silk-grass goldenaster or telegraphweed.

Silk-grass Goldenaster

Silk-grass Goldenaster

Heterotheca Grandiflora

Heterotheca grandiflora is a species of flowering plant in the family Asteraceae, native and endemic to California, known commonly as silk-grass goldenaster or telegraphweed.

Quick Facts

Type
herb
Lifecycle
annual or perennial
Care Difficulty
Easy
Water Needs
low to medium
Light
Full Sun
Hardiness Zones
7-10

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, loamy, rocky
Indoor:No
Outdoor:Yes
Garden Use:groundcover, pollinator attractor, erosion control

Care Calendar

Monthly care tasks for Silk-grass Goldenaster

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Silk-grass Goldenaster
Silk-grass Goldenaster detail

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Taxonomy

Family:Asteraceae
Genus:Heterotheca