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Annuals- Hollyhock

  • Hollyhock 

Botanical name: alcea rosea 

Beginner friendly?: yes

Average size at maturity: up to 8 ft in height and 3 ft in width 

Bloom time: summer, fall

Hardy zone: zones 2-10 

Flower color: pink, red, white, yellow, orange, purple 

Foliage color: green 

Growth rate: can reach fully mature size in first growing season

Pruning instructions: deadhead and prune as needed 

Propagation methods: propagate by sowing 

Landscape use: great for rock garden beds, mass planted flower beds, borders

Light needs: 6 hours of sun per day 

Special features: attracts pollinators 

Watering instructions: prefers moist soil, only allow the first inch of soil to dry out between watering sessions 

Fertilizing instructions : use a slow-release all purpose flower food fertilizer once a year in the early spring 

Best time to plant: spring 

Best type of soil: loam 

Companion plants: pansies, mums, marigold 

Toxicity level: non-toxic for humans and pets 

Invasive species: not invasive