California's Carrizo Plain and nearby mountains were full of wildflowers in spring 2026. Landsat satellites first spotted colors in February. By early March, yellow flowers covered areas around Soda Lake. By mid-March, they had spread even further.
The yellow blooms are visible near the streams around the alkaline Soda Lake. This lake usually dries up completely during droughts.
A Burst of Color
The Carrizo Plain National Monument was especially vibrant. Meadows along the San Andreas Fault showed splashes of purple from Phacelia ciliata blooms.
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Start Your News DetoxWinter 2025-2026 brought plenty of rain, which helped the wildflowers. Heavy rains in November and December made rainfall totals almost double the usual amount. This is according to a report from the California Department of Water Resources.
NASA data in the report showed that soil moisture stayed high in February. Early rains are important for wildflowers. Many seeds need at least a half-inch of rain to wash off their protective coating and sprout. This information comes from the National Park Service. Warm, dry periods afterward also helped. Wildflowers do best with occasional rain, not constant soaking.
The Wild Flower Hotline reported that the west-facing slopes of the Temblor Range bloomed first in March. They saw hillside daisies (Monolopia lanceolata), California goldfields (Lasthenia californica), and forked fiddlenecks (Amsinckia furcata). The Caliente Range also had a good display. This was partly because the Madre fire in July 2025 burned off much of the grass.
Experts on the ground say that common goldfield (Lasthenia gracilis) caused the wide yellow areas near Soda Lake. These plants are small but grow very close together in disturbed areas. They bloom at the same time, creating large blankets of color.
Bryce King, a botanist for the California Native Plant Society, described these Lasthenia blooms as "seemingly unending stretches of color." He wrote about them in Flora magazine. He noted that Lasthenia is common in wet areas. However, the widespread blooms on the valley floor and hills in March were "beyond anything" he expected.
Tracking Blooms from Space
NASA scientists are using remote sensing to study wildflowers. They want to find ways to track blooms over large areas. They also aim to create tools for farmers, beekeepers, and resource managers. Flowering plants produce many important crops like fruit, nuts, honey, and cotton.
Yoseline Angel, a scientist at NASA’s Goddard Space Flight Center, called it a "superbloom." She said the wildflowers were "stunning" from the ground.
Angel and her colleague Andres Baresch were in the Carrizo Plain National Monument on March 13. They took spectral measurements of the blooming wildflowers. This happened while Landsat satellites captured images. They are developing a global flower monitoring system. This system will combine ground observations with data from space. It will use sensors like OLI on Landsat 8 and 9, and EMIT on the International Space Station. This will help track how blooms progress.
Angel said this was a great chance to test their models. She noted they were lucky to have so many seeds sprout and bloom at once. This was because the previous year was very dry, and the winter was very wet.
Deep Dive & References
- Deciphering the spectra of flowers to map landscape-scale blooming dynamics - Ecosphere, 2025
- Wildflower season arrives at Carrizo Plain National Monument and other BLM-managed public lands - Bureau of Land Management, 2026
- California Hydrology Update - California Department of Water Resources, 2026
- Plain Beautiful - Flora, 2026
- Looking for Wildflower Blooms and Flowering Trees with GLOBE - The Globe Program, 2025
- Can NASA Help Predict Wildflower Super Blooms? - KQED, 2025
- Wildflowers - National Park Service, 2026
- A review of remote sensing applications in flower phenology detection - Journal of Ecology and Environment, 2025
- Colorful wildflowers blooming across Carrizo Plain. See photos - The Tribune, 2026
- Wildflower Hotline - The Wild Flower Hotline, via Spotify, 2026
- Superbloom Season? - Theodore Payne Foundation, 2024
- Drought Status Update for California-Nevada - U.S. Drought Monitor, 2025
