Lizards not welcome in Cupertino yard, but is that a mistake?
Briefly

The scent of dried blood does not repel lizards and may even attract larger species. Effective lizard deterrents include strong scents like onion, garlic, vinegar, and hot peppers, which can be applied in sprays or sprinkled around. Making the yard less hospitable involves removing shrubs, wood piles, and food sources. Despite their deterrence, lizards are beneficial for gardens, eliminating pest populations and providing entertainment. Overall, lizards should not necessarily be frightened away due to their carnivorous diet and harmlessness to plants.
The scent of blood does not discourage lizards from residency in the yard; larger lizards may even be drawn to the odor of blood products.
Certain scents such as onion, garlic, vinegar, hot peppers, and coffee grounds can repel lizards, which can be applied in different forms to deter them.
To make the yard less attractive to lizards, remove hiding places like wood piles and shrubbery and eliminate food and water sources.
Lizards are beneficial partners in the garden, consuming large quantities of insects, slugs, and snails, making them entertaining to observe.
Read at The Mercury News
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