April · Mid-spring
What to sow in April in Houston
46 crops are in their window this month in Houston — timed to your local frost dates.
Last frost≈ 5 Mar
First frost≈ 15 Nov
Frost-free days228 days
April averages63°–80°F
Vegetables
33 in season
Amaranth Greens
Direct sow · pinch tips often for a steady flush of tender greens
Armenian Cucumber
Direct sow · wait for warm soil; trellis for straighter fruit
Artichoke
Start indoors · seedlings need a cold snap to set buds in year one
Arugula
Direct sow · sow every 2-3 weeks for a steady peppery harvest
Asparagus
Plant crowns · resist harvesting until the second or third spring
Herbs
9 in season
Basil
Start indoors · loves heat, don't rush it outside before frost
Cilantro
Direct sow · bolts fast in heat, sow small batches often
Dill
Direct sow · taproot resents transplanting, sow direct
Epazote
Direct sow · cut flower heads early or it self-seeds everywhere
Fenugreek (Methi)
Direct sow · ready to cut in under a month; sow again for more
Fruit
4 in season
Blueberries
Plant bushes · needs acidic soil and a second variety to pollinate
Ground Cherries
Transplant seedlings · let ripe fruit drop; husks turn tan and papery
Melon (Cantaloupe)
Direct sow · warm soil is key; try black plastic mulch to help
Watermelon
Direct sow · give vines plenty of room and consistent water