Why causes the tips of celosia castle turn brown?

The tips of celosia castle plants can turn brown due to several factors, including underwatering, overwatering, or poor drainage, which can lead to root rot. Additionally, exposure to extreme temperatures, either too hot or too cold, can cause browning. Nutrient deficiencies, particularly a lack of potassium, can also contribute to the discoloration. Lastly, pest infestations or diseases may affect plant health and lead to browning tips.