Expert Plant Care Guides for US Home Gardeners
Research-backed growing guides for flowers, houseplants, vegetables, and garden design — from Zone 3 to Zone 10.
Written by Marzena — 25 years of growing experience, backed by university extension research (Penn State, NC State, RHS).
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Seasonal Garden Calendar
Know exactly what to plant, prune and sow — every month of the year.
Most Popular Growing Guides
Our most-read plant care guides, used by hundreds of thousands of US gardeners each year.
🌿 What to Do in the Garden: March & April
Timely tasks for US gardeners — check our full March planting guide for zone-by-zone timing.
- Start tomatoes & peppers indoors — Sow 6–8 weeks before your last frost date.
- Direct-sow peas, spinach & lettuce — Soil workable at 40°F+ (Zone 6+). Plant as soon as the ground opens.
- Plant bare-root roses — Best planting window before leaf buds break. Read our full rose guide.
- Divide overgrown perennials — Split hostas, daylilies, and ornamental grasses while dormant.
Free Seasonal Planting Calendar
Know exactly what to plant and when — month by month, zone by zone. Our most-downloaded free resource.