Start geranium seeds indoors in January for Zone 3’s May 15 last frost, pick varieties tested in cool northern summers, and protect plants until September.
Zone 8 geraniums bloom March to November if you pick heat-tolerant varieties and know the summer cutback trick that triggers fall rebloom.
Zone 7 geraniums go quiet in August — here’s the late-summer pruning trick that brings them back, plus exact planting dates for 7a and 7b.
Zone 6 geranium guide with exact planting dates for 6a and 6b, which of the four types handles the full season, and a 3-method overwintering decision framework so you’re not guessing every September.
Zone 8 geraniums bloom March to November if you pick heat-tolerant varieties and know the summer cutback trick that triggers fall rebloom.
Zone 7 geraniums go quiet in August — here’s the late-summer pruning trick that brings them back, plus exact planting dates for 7a and 7b.
Zone 5 geraniums: plant tender Pelargoniums after May 10 (5a) or April 25 (5b), or grow hardy cranesbills that survive −20°F winters. Planting calendar, 5 varieties, 3 overwintering methods.
Zone 10 gardeners grow geraniums as perennials—but summer heat is the real challenge. Discover the best heat-tolerant varieties, exact planting dates, and how to keep blooms coming all year.
Zone 4 has two very different geraniums. Five cranesbill species survive -30°F winters in the ground; tender Pelargoniums need a February start and fall overwintering. Here’s the full calendar.
Zone 9 geraniums shut down in July — but a timed August cutback and the right cultivar give you color in spring AND fall. Here’s the full zone 9a/9b care calendar.
10 proven geranium companion plants matched for pest control, summer color, and containers — plus what the Japanese beetle research actually shows.
Most geranium cuttings fail from one skipped prep step. Learn the complete method: bud removal, the no-dome rule, and a troubleshooting guide for common failures.
Every balcony and container gardener understands this feeling: you buy lovely geraniums (Pelargoniums) with dreams of colorful blooms streaming down, but you end up with a pot of lush green foliage and very few blossoms. You can feel like you’re doing something wrong. But what if the secret to a beautiful flower eruption wasn’t in a pricey, colorful bottle from …
Pelargonium won’t bloom indoors without the right temperature drop at night — here’s the exact light, watering rhythm, and seasonal rest cycle that keeps zonal and regal types flowering.
Geranium leaves turning yellow? Leaf pattern + soil moisture pinpoint all 7 causes in minutes — with visual markers and proven fixes.