Hibiscus Trionum Flower of an Hour Seeds

Hibiscus trionum Flower of an Hour Seeds – Irish Plants Direct

 

A whimsical and fast growing annual with delicate pale yellow blooms and deep maroon centres that open for just a few hours each day.

 

Flower of an Hour forms bushy, upright plants with lobed green foliage and inflated seed pods, blooming from midsummer into early autumn. Its fleeting flowers and unusual form make it ideal for wildflower gardens, borders, and naturalistic planting.

 

This drought tolerant annual thrives in full sun and well drained soil and is perfect for low maintenance planting, pollinator habitats, and informal displays.

 

It attracts bees and butterflies and self seeds freely for naturalised charm.

 

Seed Qty Approx 1 gram

 

Sow March to May direct outdoors or indoors from February

Germination 10 to 21 days at 18 to 22°C

Soil and Position Free draining sandy or loamy soil in full sun

Height/Spread 40 to 60 cm tall, 30 to 40 cm spread

Flowering June to September

 

Sowing Instructions

 

Sow seeds thinly where plants are to flower once soil is warm and frost risk has passed. Lightly cover with soil and water gently. For earlier blooms, sow indoors in trays or modules and transplant after hardening off. Space plants 30 to 40 cm apart. Hibiscus trionum prefers not to be disturbed once established.

 

Grow and Maintenance

 

Water during dry spells and avoid overfeeding. Deadhead to prolong flowering or allow to self-seed for naturalistic displays. Suitable for borders, wildflower gardens, and pollinator planting. Cut back after flowering or leave seed pods for winter

interest.

 

Uses and Benefits

 

Pale yellow blooms with maroon centres

Unique flowers that open for a few hours

Attracts bees and butterflies

Drought tolerant and self-seeding

Perfect for wildflower gardens and informal borders

 

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