When to Plant and Harvest Morning Glory

Fast-growing climbing annual with vivid trumpet-shaped flowers that open each morning

Pets: Toxic to dogs and cats (ASPCA). ASPCA entry. Pet-Safe Garden Finder

Best Time and Place to Plant Morning Glory

In USDA zone 7, the typical spring window is April 1 to May 15. Cooler zones usually plant later; warmer zones plant earlier.

Plant Morning Glory in a spot with 6+ hours of direct sun, soil warmed to 65F to 90F, and enough room for 6 inches between plants and 12 inches between rows.

Related Planting Guides

Planting Windows by Zone

ZoneSpringFall
Zone 1May 15 to June 15Spring only
Zone 2May 10 to June 10Spring only
Zone 3May 1 to June 1Spring only
Zone 4April 20 to May 30Spring only
Zone 5April 15 to May 25Spring only
Zone 6April 10 to May 20Spring only
Zone 7April 1 to May 15Spring only
Zone 8March 20 to May 10Spring only
Zone 9March 10 to May 1August 1 to September 15
Zone 10February 15 to April 15August 15 to October 1
Zone 11January 15 to March 15September 1 to November 1
Zone 12January 1 to March 1October 1 to December 1
Zone 13Year-roundYear-round

Spacing and Care

  • Planting depth: 0.5 inches deep
  • Spacing: 6 inches apart, 12 inches between rows
  • Soil temperature: 65F to 90F
  • Sunlight: 6+ hours
  • Watering: 0.5-1 inch per week; drought tolerant; avoid overwatering
  • Days to harvest: 60

Fertilization

  • Compost organic: Light dressing only; rich soil causes foliage over flowers

Companion Plants

  • Corn
  • Fence structures
  • Climbing vegetables

Avoid Planting Near

No avoid-planting conflicts are listed yet.

Check any pair, and see which pairings have research behind them, on the Companion Planting Desk.

Harvest Signs

  • Flowers open in morning and close by afternoon
  • Blooms prolifically from midsummer until frost
  • Allow seedheads to dry for next years seeds
  • Deadhead to encourage more blooms or allow to self-sow

Track picks and rate the season on the Harvest Log.

FAQs

When should I plant Morning Glory?

Morning Glory planting depends on your USDA hardiness zone. In USDA zone 7, the typical spring window is April 1 to May 15. Cooler zones usually plant later; warmer zones plant earlier.

What is the best time of year to plant Morning Glory?

The best time of year to plant Morning Glory is when your zone planting window is open and soil temperatures are around 65F to 90F. In USDA zone 7, the typical spring window is April 1 to May 15. Cooler zones usually plant later; warmer zones plant earlier.

Where is the best place to plant Morning Glory?

Plant Morning Glory in a spot with 6+ hours of direct sun, soil warmed to 65F to 90F, and enough room for 6 inches between plants and 12 inches between rows.

How far apart should I plant Morning Glory?

Plant Morning Glory about 6 inches apart, with rows around 12 inches apart.

What grows well with Morning Glory?

Morning Glory is commonly paired with Corn, Fence structures, Climbing vegetables.

How long does Morning Glory take to grow?

Morning Glory is typically ready to harvest in about 60 days under good conditions. Use the harvest signs below rather than the calendar alone.

How do I know when to harvest Morning Glory?

Harvest Morning Glory when flowers open in morning and close by afternoon. Blooms prolifically from midsummer until frost Allow seedheads to dry for next years seeds