Growing Geraniums in Zone 9B

Garden geraniums (Pelargoniums) are some of the longest-blooming annuals available — and unlike most annuals, you can overwinter them indoors for years.

Zone 9B has a very long growing season with mild winters. Many crops can be grown nearly year-round with successive plantings.

Top Growing Tips

• Start from seed 12-16 weeks before last frost for first-year blooms
• Deadhead spent flower clusters to prevent seed development and extend bloom
• Overwinter by bringing pots inside before frost; keep barely moist
• Take 4-inch stem cuttings in late summer to propagate for next year
• Scented-leaf varieties (lemon, rose, nutmeg) are especially aromatic

Companion Planting

Good companions: roses, marigolds, petunias

Avoid planting near: Overwatering — most common cause of decline

Harvest Timeline

Ornamental; harvest scented leaves anytime for culinary or aromatic use

About Zone 9B

USDA Hardiness Zone 9B has an average last spring frost around Feb 15 and first fall frost around Dec 10. All planting dates above are calculated from these frost dates. Your specific location may vary — check with your local extension office for the most accurate dates.