What to Plant in April in Oklahoma
Your April planting guide for Oklahoma (USDA Zones 6–8, typically Zone 7). We've broken out activities by zone — jump to yours below.
Growing season varies across Zones 6–8 — 180–240 days. Pick the zone that matches your part of the state.
🏠
731
Start Indoors
🌿
1345
Transplant Outdoors
🌱
1220
Direct Sow
🧺
206
Harvest
Zone 7 — April in Oklahoma★ Most of OK
1548 varieties active · Last frost April 1 · 210-day season
Alfalfa Microgreens
Microgreens · 6-10d
Amara
Lettuce & Salad Greens · 21d
Amaranth Microgreens
Microgreens · 50d
Amaranth, Glitter Mix
Microgreens · 16-25d
Arugula
Lettuce & Salad Greens · 10-15d
Arugula 'Rocket'
Brassicas · 20-40d
Arugula Microgreens
Microgreens · 10-15d
Asian Delight
Lettuce & Salad Greens · 37d
Zone 6 — April in Oklahoma
1178 varieties active · Last frost April 15 · 180-day season
Alfalfa Microgreens
Microgreens · 6-10d
Amara
Lettuce & Salad Greens · 21d
Amaranth Microgreens
Microgreens · 50d
Amaranth, Glitter Mix
Microgreens · 16-25d
Arugula
Lettuce & Salad Greens · 10-15d
Arugula Microgreens
Microgreens · 10-15d
Basil Microgreens
Microgreens · 74d
Basil, Lemon
Microgreens · 16-25d
Zone 8 — April in Oklahoma
1826 varieties active · Last frost March 15 · 240-day season
Alfalfa Microgreens
Microgreens · 6-10d
Alpine
Root Vegetables · 55d
Amara
Lettuce & Salad Greens · 21d
Amaranth Microgreens
Microgreens · 50d
Amaranth, Glitter Mix
Microgreens · 16-25d
Arugula
Lettuce & Salad Greens · 10-15d
Arugula 'Rocket'
Brassicas · 20-40d
Arugula Microgreens
Microgreens · 10-15d