Butternut Squash Fruit Drop: Virus or Water Stress?

Introduction

Baby butternuts yellowing and dropping before flowers fully open suggests blossom/fruit drop.

Possible Blossom/Fruit Drop from Virus

Viral infection causes premature fruit abortion. No cure.

Support Plant with Water and Organic Fertilizer

Boost plant immunity with consistent watering and organic fertilizer.

Conclusion

If viral, little can be done. Maintain plant health to support remaining fruit.