Small Flower Indian Paintbrush

Water the Yukon Paintbrush plant frequently but lightly. It is best to water it twice a week during the summer, and once a week during the winter. Make sure that the soil stays consistently moist but not soggy or saturated. Do not let the soil dry out completely between waterings and avoid over-watering. If you are growing the plant indoors, then use a well-draining potting soil and provide adequate drainage. Additionally, mist the leaves 2-3 times a week to replicate natural rainfall.

Yukon Paintbrush (Castilleja pallida var. yukonis) thrives in full sun or part shade. It is an alpine plant native to Canada's western Arctic and temperate mountain regions. As such, it is best adapted to long days with plenty of sunshine. During the summer months, when the days are at their longest, it should receive at least 6 to 7 hours of direct sunlight each day. In the winter, when days are shorter and weaker light is available, it should receive between 3 and 4 hours of sunlight per day. It is important that the sunlight duration is not too long, as the plant may get scorched by direct sunlight during the summer's peak hours. It is also important to note that while Yukon Paintbrush prefers full sun, it's best to give it some shelter in warmer climates.

Prune Yukon Paintbrush plants when they reach approximately 80% flowering. This is usually between late July to early August. Prune the plant by cutting off any flowering heads and carefully removing any dead or diseased stems. Pruning will help regulate the size of the plant and help keep it healthy. Pruning should be light, and the length of the remaining stems should not exceed 2-thirds of the original height. If the stems are significantly shorter than 2-thirds of the original height, the plant should be potentially replanted.