bluebonnet

noun

blue·​bon·​net ˈblü-ˌbä-nət 

1

a

: a wide flat round cap of blue wool formerly worn in Scotland

b

: one that wears such a cap

specifically : scot

2

: either of two low-growing annual lupines (Lupinus subcarnosus or L. texensis) of Texas with silky foliage and blue flowers

Examples of bluebonnet in a Sentence

Recent Examples on the Web

Here’s a look at where to spot bluebonnets across Central Texas and how their growth patterns are shaping up. —Marley Malenfant, Austin American Statesman, 20 Mar. 2026

The 31-year-old’s design incorporates a number of Texas references, including a longhorn, bluebonnets, pecan trees, prickly pears and even the Texas Star Ferris Wheel. —Travis Pinson, Dallas Morning News, 17 Mar. 2026

When do Texas bluebonnets bloom? —Ella Gonzales, Fort Worth Star-Telegram, 10 Mar. 2026

But the business, which has its roots in Texas, also has charms specifically for the Lone Star State — like bluebonnets, tacos and cowboy hats. —Kelsey Brown, San Antonio Express-News, 1 Feb. 2026

Word History

First Known Use

1568, in the meaning defined at sense 1a

Rhymes for bluebonnet

• propionate
• sonnet

Kids Definition

bluebonnet

noun

blue·​bon·​net ˈblü-ˌbän-ət 

: a low-growing annual lupine of Texas with silky leaves and blue flowers