Never let the soil get too wet or dry out completely. The polka dot plant requires moist soil but not soggy. Hypoestes Phyllostachya Polka Dot Plantpink Ploka Dot Etsy Planting Shrubs House Plants Plants I recommend watering polka dot begonia weekly in summer and less often in winter. Polka dot plant care watering . Toxic to pets hypoestes isn’t safe for our furry friends. A moderate temperature of about 65 to 80 degrees is perfect for your polka dot plant. It also likes it quite humid so misting occasionally will help you get the most out of your hypoestes. Use our water calculator to personalize watering recommendations to your environment or download greg for more advanced recommendations for all of your plants. Polka dot plant needs 0.8 cups of water every 9 days when it doesn't get direct sunlight and is potted in a 5.0 pot. Giving your polka dots too little water can cause your plant to begin to curl up. Replace the soil if it is waterlogged with fresh h...