Auxillary buds usually fail to sprout in actively growing herbaceous plants.

Explanation

**Step-by-Step Solution:**

1. **Understanding Auxiliary Buds:**
- Auxiliary buds, also known as lateral buds, are located at the axil of leaves on the stem of a plant. They have the potential to grow into branches or flowers.

2. **Identifying Herbaceous Plants:**
- Herbaceous plants are vascular plants that have non-woody stems. They are typically soft and green, and they can grow rapidly.

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