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Balsam Tom Thumb Mix Seeds produce compact bushy annual plants with large double flowers in white, carmine, rose, red and purplish-red. The mix suits containers and flower beds.
Ready to fill your pots and borders with balsam flowers? Follow our step-by-step Balsam Tom Thumb Grow Guide for shallow sowing, germination, regional timing and care advice.
Quick Grow Facts
Plant and seed
Species: Impatiens balsamina, Tom Thumb Mix.
Growth form: compact, upright, frost-tender annual.
Packs: 2 g or 20 g raw seed. The 2 g listing estimates approximately 200 seeds; counts vary. Raw does not confirm untreated seed.
Sowing
Season: spring or early summer, after frost risk; adjust for your region.
Depth: local guidance is 3 mm in freely draining seed mix.
Temperature: aim for 20–25°C at the seed zone.
Emergence: listing estimate 8–10 days; conditions and source instructions vary, so slower emergence is possible.
Growing on
Position: bright partial shade or morning sun; shelter from fierce afternoon heat.
Spacing: listed 20 × 20 cm; allow foliage room in damp conditions.
Mature size: approximately 30 cm tall and wide.
Water: evenly moist, never waterlogged.
Flower display
Mixed double flowers for beds and containers. The displayed label estimates 70–90 days to blooms but does not identify the starting point. Weather and establishment affect timing. Grow as an ornamental, not for edible harvest.
Why Grow This Variety
- Double flowers bring varied colour to a small bed or patio container.
- The compact growth form fits the front of a border.
- Morning sun or bright partial shade gives useful planting options.
Growing Notes
Sow in clean modules or direct into warm soil after frost. The displayed label recommends a shallow 3 mm cover. Other Tom Thumb sources differ on light and covering; follow any different instructions on your current packet and ask before combining methods. Do not bury deeply or add a darkness treatment. Keep the seed mix moist and ventilated. Transplant with an intact root ball once seedlings have true leaves, and harden off gradually.
Feed modestly after establishment and give plants space for airflow. Do not eat the seed or plants. Follow any treatment warning on the pack; raw seed is not a food-grade or untreated-seed claim.
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