Collection: Perennial Hollyhock Flower Seeds

Ferry-Morse Hollyhock Indian Spring Mixed Colors Seeds can be sown in spring or summer. For spring planting, sow outdoors after the danger of frost has passed, or start seeds indoors 6–8 weeks before moving the plants outside. Alcea seeds can be sown at about 60°F (15.5°C).

Hollyhock (Alcea) seeds can be sown at about 60°F (15.5°C). Keep Ferry-Morse Hollyhock Indian Spring Mixed Colors Seeds moist during germination.

Plant Ferry-Morse Hollyhock Indian Spring Mixed Colors Seeds about 1/4 inch deep. When direct sowing, space the seeds about 12 inches apart.

Ferry-Morse Hollyhock Indian Spring Mixed Colors Seeds typically germinate in about 10–15 days. Germination time can vary with temperature, moisture, and other growing conditions.

Ferry-Morse Hollyhock Indian Spring grows best in full sun. Choose a sunny garden location with enough room for these tall flowering plants to develop.

Ferry-Morse Hollyhock Indian Spring has average water needs of about 1–2 inches per week. Adjust watering according to rainfall, temperature, and soil conditions.

Ferry-Morse Hollyhock Indian Spring (Alcea rosea) grows approximately 5–6 feet tall. Its tall flower spikes work especially well toward the back of flower beds, along borders, or against fences.

Hollyhock Indian Spring plants may benefit from staking in windy locations. Because Ferry-Morse Indian Spring hollyhocks can reach 5–6 feet tall, supporting the plants can help protect their tall flowering stalks from wind.

Hollyhock Indian Spring Mixed Colors take approximately 90–120 days to bloom. Bloom timing can vary with planting time and growing conditions. For best flowering performance, consider treating Indian Spring as a biennial and allowing it to reseed annually.

Hollyhock Indian Spring (Alcea rosea) can be grown as a biennial for best flowering performance. Hollyhocks can reseed annually, which can help maintain them in the garden from year to year.

Both Ferry-Morse Indian Spring and Summer Carnival hollyhocks are varieties of Alcea rosea, but they have different growth and flowering characteristics.

Indian Spring grows about 5–6 feet tall and is listed as a perennial, but should be treated as a biennial for best blooms.

Summer Carnival grows about 4–5 feet tall, produces double and semi-double flowers, and can be grown as a biennial that typically blooms in its second year.