- Category
- Forb / Wildflower
- Sun
- Full to Partial
- Soil moisture
- Dry
- Bloom time
- May–Aug
- Bloom color
- Purple
- Notes
- Annual
About Venus' Looking Glass
Venus' Looking Glass is a charming native annual that adds a delicate touch of violet to sun-drenched landscapes. This slender plant is easily identified by its unique 'clasping' heart-shaped leaves that wrap around the stem, forming small cups. From May through August, it produces vibrant purple, star-shaped flowers that open sequentially from the bottom of the stem upward. Interestingly, the lower flowers are often 'cleistogamous,' meaning they self-pollinate without ever opening. Growing between 6 and 18 inches tall, it is a versatile species found throughout North America in dry prairies, fields, and rocky slopes. It is a fantastic choice for supporting biodiversity, attracting a wide array of small native bees, flies, and butterflies. Venus' Looking Glass is incredibly easy to grow from seed in full to partial sun and well-drained, dry soils. Its ability to self-seed makes it a reliable and low-maintenance addition to wildflower meadows or rock gardens.
Native range
Native to 48 states:
County range map

Range map courtesy of BONAP (Biota of North America Program).
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