Balsam requires 60 to 70 days from sowing to produce flowers, so an early start is essential
How to Grow Balsam
Start plants indoors for an earlier color show. You may direct sow in warmer climates where soils warm up early in the spring, but the majority of gardeners will find that sowing in flats at least 8 weeks before the date of the last frost will yield the best plants.
Cover the seeds with just a dusting of soil and keep moist. In garden flats, cover the top of the soil with plastic to encourage germination and keep in moisture. Expect germination when growing balsam plants from seed in approximately 10 to 15 days.
Young balsam plant care should include a time release fertilizer at transplant, when plants are at least 2 inches tall and have a good root base.
Caring for Balsam
Balsam needs moist, well-drained soil and performs best in partial shade locations. Amend the soil with compost and break up clods before transplanting young balsam. Spacing is 12 to 18 inches apart.
Water the plants from below to help prevent powdery mildew. A soaker hose or drip line system will assist with this method of watering. The plants will need supplemental watering at least once a week in the dry months. More frequent watering is necessary when caring for balsam in containers and hanging baskets.
Collect the seed pod carefully at the end of the season for another year of rose balsam beauty in your garden. Let the pod dry and keep in a closed plastic bag or jar in a dark, cool area of the home until spring.