North America Native Plant

Smallray Goldfields

Botanical name: Lasthenia microglossa

USDA symbol: LAMI4

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Baeria microglossa (DC.) Greene (BAMI7)   

Smallray Goldfields: A Charming California Native for Your Wildflower Garden If you’re looking to add a splash of sunshine to your California native garden, smallray goldfields (Lasthenia microglossa) might just be the cheerful little wildflower you’ve been searching for. This delightful annual forb brings golden beauty to gardens while supporting ...

Smallray Goldfields: A Charming California Native for Your Wildflower Garden

If you’re looking to add a splash of sunshine to your California native garden, smallray goldfields (Lasthenia microglossa) might just be the cheerful little wildflower you’ve been searching for. This delightful annual forb brings golden beauty to gardens while supporting local wildlife – and it’s surprisingly easy to grow!

What Exactly Are Smallray Goldfields?

Smallray goldfields are native California wildflowers that belong to the sunflower family. As an annual forb, this plant completes its entire life cycle in one growing season, producing those coveted golden blooms before setting seed for next year’s show. Don’t let the scientific name Lasthenia microglossa intimidate you – this plant is as down-to-earth as they come.

You might also see this plant listed under its botanical synonym, Baeria microglossa, in older gardening references, but rest assured, it’s the same sunny little wildflower.

Where Do They Come From?

These golden beauties are true California natives, naturally occurring throughout the Golden State. They’re perfectly adapted to California’s unique climate and growing conditions, making them an excellent choice for gardeners wanting to work with nature rather than against it.

Why Your Garden (and Local Wildlife) Will Love Them

There are plenty of reasons to fall in love with smallray goldfields:

  • Pollinator magnets: These flowers are like tiny beacons for native bees, beneficial insects, and butterflies
  • Low maintenance: Once established, they’re remarkably drought-tolerant and require minimal care
  • Natural beauty: Their delicate yellow flowers create stunning carpets of color when planted in masses
  • Self-sufficient: They readily self-seed, ensuring you’ll have blooms year after year
  • Authentic: Supporting native plants helps preserve California’s natural heritage

Perfect Garden Situations

Smallray goldfields shine brightest in:

  • Native plant gardens
  • Wildflower meadows
  • Naturalized landscapes
  • Pollinator gardens
  • Areas where you want low-maintenance ground cover

These plants work beautifully when allowed to naturalize in informal garden settings. They’re not the best choice for formal, manicured landscapes, but they’re absolutely perfect for gardeners who appreciate a more relaxed, natural aesthetic.

Growing Conditions That Make Them Happy

The beauty of growing native plants is that they’re already adapted to local conditions. Smallray goldfields thrive in:

  • Full sun: They need plenty of bright sunlight to bloom their best
  • Well-drained soil: Like many California natives, they don’t appreciate soggy conditions
  • USDA Zones 8-10: Perfect for Mediterranean climate regions
  • Minimal water: Once established, they’re quite drought-tolerant

Planting and Care Tips

Here’s the good news: smallray goldfields are refreshingly easy to grow!

When to plant: The best time to sow seeds is in fall, allowing them to experience natural winter conditions before sprouting in spring.

How to plant: Direct seeding works best. Simply scatter seeds over prepared soil and lightly rake them in. Don’t bury them too deeply – they need light to germinate.

Ongoing care: Once they’re up and growing, these little champions need surprisingly little attention. Water them occasionally during their first year to help them establish, but after that, they should thrive on natural rainfall in most California locations.

Letting them self-seed: To ensure future blooms, allow some plants to go to seed naturally. You’ll be rewarded with new plants the following year!

The Bottom Line

If you’re a California gardener looking to create a more sustainable, wildlife-friendly landscape, smallray goldfields deserve serious consideration. They offer authentic beauty, support local ecosystems, and ask for very little in return. Plus, there’s something deeply satisfying about growing plants that truly belong in your specific corner of the world.

Whether you’re creating your first native plant garden or adding to an existing wildflower meadow, these charming golden blooms will bring both beauty and ecological value to your outdoor space. Sometimes the best gardening choices are the simplest ones!

Smallray Goldfields

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Lasthenia Cass. - goldfields

Species

Lasthenia microglossa (DC.) Greene - smallray goldfields

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA