Lewis's flax thrives in full sun to partial shade, requiring at least 6 hours of direct sunlight daily. It exhibits good cold tolerance, able to withstand temperatures as low as 20°F (-6.7°C). The plant also has moderate heat tolerance, preferring temperatures between 60-75°F (15-24°C). During summer, provide ample water and mulch to retain moisture. In winter, ensure well-draining soil to prevent root rot. Optimum temperature ranges from 65-70°F (18-21°C). Lewis's flax should be placed in a location with good air circulation to prevent diseases. It benefits from strong sunlight but can tolerate some shade. Aim for 6-8 hours of sunlight per day for optimal growth.
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