South Rim Visitor Center is open today from 9 am to 4 pm. Follow link for a list of visitor services with hours of operation. Midday South Entrance lines are long. Arrive before 9 am or after 4 pm for shorter wait times. The North Rim reopens on May 15. More
Monday, April 14, 2025 - Mostly Sunny —South Rim High 65°F (18°C) —Phantom Ranch High 91°F (33°C)
Trail Alerts: Bright Angel Trail below Havasupai Gardens, including the Silver Bridge CLOSED. River Trail CLOSED. Plateau Point and Plateau Point Trail CLOSED. Hikers visit this link for inner canyon temperatures, heat risk and water availability. More
Dew drops sprinkled on top of a Hoary Tansy Aster.
NPS Photo / Robb Hannawacker
Grand Canyon Park is home to hundreds of flowering plants. There are about 650 herbaceous (having little or no woody stem) wildflowers in the park. Wildflowers rely on pollinators to spread their seed and often come in bright showy colors to attract. These plants can live in harsh environments with little water or in lush forests on the rim of the canyon. This plant list barely scratches the surface of what is found at Grand Canyon. For an in-depth look, refer to a more complete list of plants in the park.
Flowers are yellow and petals radiate out of the tiny center flowers
Leaves are a medium green color and alternate on either side of the stem of the flower; each plant can have up to 50 stems; leaves come to a pointed, yet rounded, tip
Prefers sandy soils and dry open areas
Plant has many varieties, but they can be very hard to tell apart
Used for medicinal purposes as well as for ceremonies
Hoary Tansy Aster Dieteria canescens – Asteraceae
NPS Photo / D. McConnell
Hoary Tansy Aster
Dieteria canescens – Asteraceae
Flowers have bright purple petals that are long and oval shaped; centers are also bright, but a yellow color; petals radiate around the center
Leaves alternate along the stems of the flowers, and come to point
Blooms between July and October
Prefers sandy soils and can live in flat areas or gradual slopes
Lots of varieties or similar aster flowers that look similar to this particular species
Used as medicine for throat and nose issues, as well as an eyewash
Indian Paintbrush Castilleja spp.
NPS Photo / Ty Karlovetz
Indian Paintbrush
Castilleja spp. – Scrophulariaceae
Bloom in June and July on both rims of the canyon as well as in the inner canyon
Plant is partially parasitic, meaning its roots take nutrients from surrounding plants
Flowers are bright red
Adapted to areas with frequent wildfire
Is partially parasitic, meaning it can steal nutrients from other plants
Blue Flax Linum lewisii – Linaceae
NPS Photo
Blue Flax
Linum lewisii – Linaceae
Light blue delicate flowers, which sometimes appear white, with approximately five wide petals
Leaves are a medium green and are very narrow; they come to a sharp point
Prefers open meadows and sloped areas; are common in the inner canyon but can be found throughout
Used as a natural medicine for native peoples, in addition as a food additive for extra nutrients
Species is named for Meriweather Lewis of the Lewis and Clark Expedition.
Arizona Thistle Cirsium arizonicum – Asteraceae
NPS Photo / Daniel McConnell
Arizona Thistle
Cirsium arizonicum – Asteraceae
Flowers come in a variety of colors, but mostly a red to purple spectrum, but include up to 100 disk florets
Leaves are green, lobed with pointed ends, and have tiny spikes all over them
Contains spines all over the plant, used as protection from herbaceous predators
Prefers sunny areas, openings in the forest, or rocky exposed ledges
This thistle is native; if you encounter any thistle on the trail, do not remove it. Contact the park and provide the location of the plant so that our natural resources staff can determine if the thistle you found is native or invasive.
Sacred Datura Datura wrightii – Solanaceae
NPS Photo / Ty Karlovetz
Sacred Datura
Datura wrightii – Solanaceae
Flowers have large white petals which form a tube shape into the base of the flower; they mostly bloom at night and between April and October
Leaves are large and a deep green color; their edges are wavy and they come to a point
Used medicinally as a disinfectant as well as in ceremonies
Considered a poisonous narcotic; do not consume
Is native, but can have invasive-like tendencies of taking over roadsides and streambeds
Gilia/Skyrocket Ipomopsis spp. – Polemoniaceae
NPS Photo / D. Kent
Gilia/Skyrocket
Ipomopsis spp. – Polemoniaceae
Stems shoot straight upward, while the flowers shoot out perpendicularly
Flowers come in a variety of colors and often flower from June through September; they come in a tube shaped formation with pointy petals that radiate outward
Leaves alternate on either side of the stems of the plant
Prefers high elevations, between 7000 and 9000 feet (2100 to 2700 meters)