A prolific landscape painter, he is best known for his images of the Texas state flower, the bluebonnet. According to the Texas State Historical Association, he began painting bluebonnets in 1911 ...

But the pretty landscape painting of bluebonnets seemed to be just that, pretty, and of little value beyond the sentimental. “It’s too pretty to surrender,” their mother said, ...

Kathy Brinkley and her son, Jared Brinkley, have never seen a field of bluebonnets in bloom. Nor did they know that bluebonnet paintings were a thing. That’s right, they’re not from Texas ...

A family almost donated mom’s bluebonnet painting to Goodwill. Daughter learned it was valuable, and it sold for $112,500 at a Texas auction.

A family almost donated mom’s bluebonnet painting to Goodwill. Daughter learned it was valuable, and it sold for $112,500 at a Texas auction.

A family almost donated mom’s bluebonnet painting to Goodwill. Daughter learned it was valuable, and it sold for $112,500 at a Texas auction.

A family almost donated mom’s bluebonnet painting to Goodwill. Daughter learned it was valuable, and it sold for $112,500 at a Texas auction.

This particular painting, “A Field of Bluebonnets, San Antonio,” was painted in 1921, experts said, adding it’s a “stellar example” of Onderdonk “in his absolute prime.” ...

A family almost donated mom’s bluebonnet painting to Goodwill. Daughter learned it was valuable, and it sold for $112,500 at a Texas auction.

A family almost donated mom’s bluebonnet painting to Goodwill. Daughter learned it was valuable, and it sold for $112,500 at a Texas auction.

A family almost donated mom’s bluebonnet painting to Goodwill. Daughter learned it was valuable, and it sold for $112,500 at a Texas auction.