Sowday
the garden guide
This month
Full year
Crop Guides
Set my location
March · Early spring
What to sow in March in Houston
71 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 days
From 5 Mar
March averages
57°–75°F
°C
°F
Vegetables
53 in season
Amaranth Greens
Direct sow · pinch tips often for a steady flush of tender greens
Opens 19 Mar
Armenian Cucumber
Direct sow · wait for warm soil; trellis for straighter fruit
Opens 19 Mar
Artichoke
Start indoors · seedlings need a cold snap to set buds in year one
All month
Arugula
Direct sow · sow every 2-3 weeks for a steady peppery harvest
All month
Asparagus
Plant crowns · resist harvesting until the second or third spring
Opens 5 Mar
Show 48 more vegetables →
Herbs
13 in season
Basil
Start indoors · loves heat, don't rush it outside before frost
All month
Cilantro
Direct sow · bolts fast in heat, sow small batches often
All month
Dill
Direct sow · taproot resents transplanting, sow direct
All month
Epazote
Direct sow · cut flower heads early or it self-seeds everywhere
Opens 5 Mar
Fenugreek (Methi)
Direct sow · ready to cut in under a month; sow again for more
Opens 5 Mar
Show 8 more herbs →
Fruit
5 in season
Blueberries
Plant bushes · needs acidic soil and a second variety to pollinate
All month
Ground Cherries
Transplant seedlings · let ripe fruit drop; husks turn tan and papery
Opens 19 Mar
Melon (Cantaloupe)
Direct sow · warm soil is key; try black plastic mulch to help
Opens 19 Mar
Strawberries
Plant runners · pinch off first-year flowers for stronger plants
Closes 26 Mar
Watermelon
Direct sow · give vines plenty of room and consistent water
Opens 19 Mar