North America Native Plant

Grant’s Splendid Woodland-gilia

Botanical name: Saltugilia splendens grantii

USDA symbol: SASPG

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Gilia splendens Douglas ex H. Mason & A.D. Grant ssp. grantii (Brand) V.E. Grant & A.D. Grant (GISPG)  âš˜  Gilia tenuiflora sensu Lindl., non Benth. (GITE6)  âš˜  Gilia tenuiflora Benth. var. altissima Parish (GITEA3)  âš˜  Saltugilia grinnellii (Brand) L.A. Johnson ssp. grantii (SAGRG3)   

Grant’s Splendid Woodland-Gilia: A Rare California Gem Worth Growing If you’re passionate about California native plants and love the idea of nurturing something truly special, Grant’s splendid woodland-gilia (Saltugilia splendens grantii) might just capture your heart. This charming annual wildflower represents one of nature’s more exclusive offerings – a plant ...

Rare plant alert!

Region: Conservation status by state

Status: S3?T1T3: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘

Grant’s Splendid Woodland-Gilia: A Rare California Gem Worth Growing

If you’re passionate about California native plants and love the idea of nurturing something truly special, Grant’s splendid woodland-gilia (Saltugilia splendens grantii) might just capture your heart. This charming annual wildflower represents one of nature’s more exclusive offerings – a plant that’s as rare as it is beautiful.

What Makes This Plant Special

Grant’s splendid woodland-gilia is a delicate annual forb that belongs to the fascinating world of California’s native wildflowers. As an herbaceous plant without woody stems, it completes its entire life cycle in a single growing season, making every bloom precious and fleeting.

This little beauty is exclusively native to California, making it a true Golden State original. Its rarity status of S3?T1T3 indicates that conservation scientists are keeping a close eye on its populations – which means if you choose to grow it, you’re participating in something pretty important for biodiversity.

Where It Calls Home

You’ll find Grant’s splendid woodland-gilia naturally occurring only in California, where it has adapted to the unique Mediterranean climate and soil conditions of the region.

Should You Grow It?

Here’s where things get interesting. While this plant would make a wonderful addition to any native California garden, its rarity means you need to be extra thoughtful about how you source it.

The Good Reasons to Grow It:

  • You’ll be supporting conservation efforts for a rare native species
  • It’s perfectly adapted to California’s climate conditions
  • As a native annual, it requires minimal water and care once established
  • It likely provides nectar for native pollinators and small beneficial insects
  • It adds authentic wildflower charm to naturalized garden areas

The Important Caution:

  • Only source seeds or plants from reputable native plant nurseries
  • Never collect from wild populations
  • Make sure any plant material comes with proper documentation

Growing Grant’s Splendid Woodland-Gilia

As a California native annual, this plant is naturally low-maintenance once you understand its preferences.

Ideal Growing Conditions:

  • Full sun exposure
  • Well-draining soil (avoid heavy clay or constantly moist conditions)
  • USDA hardiness zones 8-10, matching California’s Mediterranean climate
  • Minimal summer water once established

Planting and Care Tips:

  • Sow seeds in fall to allow for natural winter stratification
  • Scatter seeds in areas where you want a naturalized wildflower look
  • Provide regular water during germination and early growth
  • Reduce watering as plants mature and temperatures rise
  • Allow plants to set seed for potential self-seeding the following year

Garden Design Ideas

Grant’s splendid woodland-gilia works beautifully in:

  • Native California wildflower meadows
  • Naturalized garden borders
  • Rock gardens with good drainage
  • Mixed native annual displays
  • Conservation-focused landscape projects

The Bottom Line

Grant’s splendid woodland-gilia offers something special – the chance to grow a genuinely rare piece of California’s natural heritage. While you’ll need to be patient in sourcing responsibly-grown material, the reward is a garden that contributes to conservation while showcasing the subtle beauty of native wildflowers.

Remember, every rare plant we successfully cultivate in gardens represents hope for the species’ future. Just make sure you’re doing your part by choosing ethical sources and never impacting wild populations.

Grant’s Splendid Woodland-gilia

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

Solanales

Family

Polemoniaceae Juss. - Phlox family

Genus

Saltugilia (V.E. Grant) L.A. Johnson - saltugilia

Species

Saltugilia splendens (Douglas ex H. Mason & A.D. Grant) L.A. Johnson - splendid woodland-gilia

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