[header] How to cut garlic scapes [title] Look for scapes to sprout in early summer. [step] Garlic plants typically start sending up stalks as the weather warms. In the northern hemisphere, this will be around early to mid-june, or slightly later, depending on where you live. 
[substeps] It's possible that your garlic plants may not begin producing scapes until well into july. The scapes can be easily mistaken for leaves, which are often the same color and size, but are firm and rounded like green onions.