Keep roots mulched and give afternoon shade as the weather warms. Garlic chives are a distinct species but share this cool-season herb role.
EdibleCool-season crop
Growing spaceVegetable bedClimate fitUrban core · USDA 9b–10a · Valley suburbs · USDA 9a–9b · Desert outskirts · USDA 8b–9bCrop familyAmaryllidaceae (allium)Life cyclePerennial herb, often stressed by Phoenix summer heatPhoenix planting windowOctober–November or February–April for establishment.How to plantSow seed or divide/transplant a clump.Plant spacing6–8 in clumpsFrostTolerates light frost once established; cover during a hard freeze.Time to harvestClip established leaves as needed; no fixed maturity in the local herb guideSuccessionDivide established clumps rather than resowing frequently.Special categoriesEDIBLETypical harvestClip leaves through the mild season.
Before you plant
These conditions determine whether it will thrive.
Cold hardinessHardy here
Cold hardy perennial. It can die back in a cold snap and regrow.
Heat toleranceShade from late-afternoon sun
A perennial that survives Phoenix summers but slows down and looks tired in the heat. Afternoon shade helps.