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jerusalem express seeds

Jerusalem express seeds

Timing
Direct sow repeatedly after the last frost date. Starting indoors is possible, but does not gain much time. If sunflowers are allowed to get root-bound, they will lack stability at transplant time, and will require staking. Optimal soil temperature for germination: 21-30°C (70-85°F). Seeds should sprout in 10-14 days.

Annual

Sunflowers will grow in just about any well-drained soil, and they are drought tolerant. Annual flowers that can grow to incredible heights in just one season. Continue reading below for tips on how to grow sunflowers from seed.

Quick Facts:

This unique hybrid sunflower was bred for the florist market. It has very uniform shape and size with big flat discs and evenly radiating, bright yellow petals on strong stems for excellent cut flowers. The flowers produce nectar that is attractive to bees and other pollinators, but no pollen is produced. That means no mess beneath a vase of cut flowers. Jerusalem Gold Organic sunflowers also produce good sized black seeds. The plants are about 1.6 meters (5.5′) tall with (usually) only one flower each. Plant Jerusalem Gold Organic sunflower seeds to attract pollinators to your organic vegetable garden, and then leave the seeds on the plants for chickadees and other wild birds to forage on.

Season & Zone
Exposure: Full sun

Starting
Sow seeds 5mm-1cm (¼-½”) deep. Space dwarf varieties 15cm (6″) apart, but give the giants lots of room at 1m (3′) between plants.

Latin
Helianthus annuus
Family: Asteraceae

Growing
To grow really big plants with really big flowers, enrich the soil with organic matter and incorporate 2 cups of balanced organic fertilizer per 3m (10′) of row, and irrigate regularly. When the plants are 30cm (12) tall, dissolve 5ml (1 tsp) of borax (for boron) in 350 ml (12 fl oz) of water and spread the solution over 5m (15′) of row. Be careful not to over-apply this solution. This application of boron will produce bigger seeds and flower heads. Do not apply boron to other garden plants. When the back of the flower head turns yellow, it is ready to be cut from the plant.

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