Bright Lights

Bright Lights

SKU: FL2399
The intense dazzling yellow to reddish orange single flowers on this striking species Cosmos attracts bumblebees, birds, and beneficial insects, and looks terrific in a cut flower bouquet. Read More

Exposure Full-sun

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More details about Bright Lights

C. sulphureus. The intense dazzling yellow to reddish orange single flowers on this striking species Cosmos attracts bumblebees, birds, and beneficial insects, and looks terrific in a cut flower bouquet. Plant Bright Lights cosmos seeds in full sun. It's easy to grow in a variety of soils - tend towards the dry side. Its natural drought tolerance makes it a good candidate for xeriscaping. Plants grow to about 1m (3') tall, for the middle or front of a mixed border. Mix Bright Lights with dark blue and purple flowers like Blue Boy Centaurea or Rocket Larkspur Delphiniums for eye-catching contrast.

Annual

Quick Facts:

    • Annual
    • Intense yellow to range single flowers
    • Attracts bees, birds and beneficial insects
    • Plants grow to about 1m (3') tall
    • Looks great in a cut flower bouquet

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Bright Lights

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All About Bright Lights

Latin

Latin
Cosmos bipinnatus & C. sulfureus
Family: Asteraceae

Difficulty

Difficulty
Very easy

Season & Zone

Season & Zone
Exposure: Full sun

Timing

Timing
Direct sow after the last frost date. Several sowings will result in a very long bloom period. Cosmos can also be started indoors in late winter for transplanting after last frost, once daytime temperatures are above 10°C (50°F). Seeds will sprout in 3-10 days. Optimal temperature for germination: 21-25°C (70-75°F).

Starting

Starting
Sow seeds very shallowly only a few millimetres (1/8″) deep. Thin or transplant to 20-25cm (8-10″) apart.

Growing

Growing
Most varieties can get quite tall, and in exposed or windy gardens can benefit from staking or trellis netting laid horizontally over the bed for the stems to grow through before blooming. Deadhead and cut for bouquets regularly to extend the bloom period.

How to Grow Cosmos

Step 1: Timing

Direct sow after the last frost date. Several sowings will result in a very long bloom period. Cosmos can also be started indoors in late winter for transplanting after last frost, once daytime temperatures are above 10°C (50°F). Seeds will sprout in 3-10 days. Optimal temperature for germination: 21-25°C (70-75°F).

Step 2: Starting

Sow seeds very shallowly only a few millimetres (1/8″) deep. Thin or transplant to 20-25cm (8-10″) apart.

Step 3: Growing

Most varieties can get quite tall, and in exposed or windy gardens can benefit from staking or trellis netting laid horizontally over the bed for the stems to grow through before blooming. Deadhead and cut for bouquets regularly to extend the bloom period.

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