Answer: Ajuga will adapt to dry soil conditions once it is established. Until then, water as you would water your lawn. Apply water for about 15 minutes from a sprinkler, every 3-4 days. This should provide enough moisture for the plants to grow and spread. If you want, you can water and then dig down in the soil to see how far the moisture has traveled. Ajuga roots will be in the top 2-3" of soil. If its moist that far down, you've applied enough water. If not, increase the time you keep your sprinkler on until it wets the top 3 inches of soil.
When the weather turns cold your ajuga will stop growing and will need less water. Usually natural rainfall will keep it alive until spring, when it's time to water regularly again.
Hope this information helps!
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