Bottlebrush Care

Bottlebrush plants only have moderate water needs. However, while they are somewhat drought-tolerant, these shrubs will need some sort of water source to remain healthy during long dry spells. They also won't survive in locations with standing water, which can cause root rot. So avoid planting in lower areas of your yard where water can collect.

Regardless of which species you plant, bottlebrush needs occasional trimming to stay looking neat and to enhance the next season's blooms. You can lightly prune at any point in the year without seriously affecting how the plant flowers. But save more extensive pruning for late winter or after the plant goes through its first flowering cycle of the spring. This can help to encourage further blooms throughout the growing season.

While not required, applying a low-phosphorous fertilizer in the spring can help bottlebrush flourish throughout the growing season. An additional application after the plant has been pruned can help encourage new growth.

Bottlebrush plants produce the most flowers when they're planted in full sun. They will tolerate partial shade, but they likely won't produce flowers when planted in full shade.

While they can survive in most soils, bottlebrush plants prefer loamy and moist ground. It's especially important that their growing area is properly drained. If your soil is poor or full of clay, you can mix in compost and topsoil before planting. A rototiller might be required for this task if the soil is difficult to loosen by hand.

Bottlebrush plants can tolerate very high temperatures and prefer low humidity. They don't do well with frost. If freezing temperatures are predicted, the shrubs can benefit from being wrapped with some muslin or a sheet. But they won't survive in prolonged temperatures below freezing. So if you live north of their hardiness zones, plan to move your bottlebrush inside for the winter.

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