AquascapeGuide provides a money back guarantee that all plants will arrive happy and healthy. However, weather can get in the way. In order for us to provide this guarantee we request that an insolation box be purcahsed with your order when tempatures are over 100°F, or below 32°F, high or low. If you have any questions wether or not you need an isolated box, reach out to us at AquascapeGuide@gmail.com.