Geranium

Geranium

Pelargonium × hortorum

Plant out 1 week after your last spring frost. Space plants 12 in (30 cm) apart.

Photo: 阿橋 HQ, CC BY-SA 2.0 · source

When to plant

Timed from your frost dates, so it holds wherever you garden. Give yours and every step below becomes a date.

See the dates for your garden

Enter your average last spring frost and first fall frost. Every timing on this site turns into a calendar date. Not sure of yours? Your local extension service or a search for “last frost date” and your town will tell you; the app finds them from your location.

Last spring frost
First fall frost

Saved in this browser only. Nothing is sent anywhere.

Optimal Transplant

From a plantRecommended from a plant
  1. Plant out1 week after your last spring frost

Optimal Indoor Start

From seedRecommended from seed
  1. Start indoors9 weeks before your last spring frost
  2. Begin hardening offaround your last spring frost
  3. Plant out1 week after your last spring frost

Growing geranium

Spacing in the row
12 in (30 cm)
Between rows
18 in (46 cm)
Sun
Full Sun
Mature height
1-2 ft
Hardy to
USDA zone 10
Life cycle
Perennial

Feeding

How often
Every 4-6 weeks during active growth. Plants in containers need more: a dilute water-soluble feed about every 2 weeks.

Your geranium, planned to the day.

Canopy turns these timings into dates from your own frost data, places every plant at its spacing on your garden map, and tracks it all the way to harvest.

Add geranium to your planting calendar →

Help test itHelp test it on Android