Flowers by a Pond with Frogs, 1670-1679. This intriguing close-up of beautiful flowers, frogs, and insects is presented from what seems like the low viewing angle of an avid naturalist searching for specimens in the underbrush on the edge of an upland meadow. However, the knowledgeable viewer would delight in recognizing that this is a fantasy. Tulips were expensive, carefully cultivated flowers that were only to be found in well-tended gardens.