EASY TO GROW IN WARMTH – Toothache Plant thrives in heat and full sun; seeds need warmth (75–85°F) to germinate, making it ideal for greenhouses, grow lights, or warm outdoor climates. Types of Seeds Herbs Herbs, Flowers Herbs, Flowers Herbs, Flowers Vegetables, Herbs, Flowers Vegetables, Herbs, Flowers Vegetables, Herbs, Flowers.