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Q.When do I start planting perennial seeds inside for summer?

Zone Frankford ON K0K2C0 | Anonymous added on January 22, 2020 | Answered

It looks like I am in Zone 5. I am only wanting to plant Glads, Giant Sunflower, Plate Hibiscus and Hollyhocks. Absolutely new to gardening.

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Certified GKH Gardening Expert
Answered on January 23, 2020

Generally start seeds 6 to 8 weeks before the last frost. The seed packet will tell more.

Hollyhocks and sunflower grow easily from seed planted directly outside. You can plant hollyhock seeds one week before the last frost. Sunflowers you can plant after the last frost.

Gladiola corms are planted directly in the soil beginning in spring. You can buy those online or in garden centers.




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