If you are looking for something new to add to your garden that will brighten it up, consider planting Wallflower seeds.
It has a lovely scent and is very attractive to butterflies.
A staple of English cottage gardens since it was introduced in 1573 This perfumed single form has flower spikes of mixed colors as well as speckled and shaded bicolor blooms. Grow in alkaline, well-drained soil.

SOWING
Season: Biennial
Height: 12 - 18 inches (45 cm)
Bloom Season: Early summer
Bloom Color: Mix
Environment: Full sun
Soil Type: Sandy, loamy, well-drained, pH 6.1 - 7.3
Germ temperature: 18 - 23C (65F - 75F)
Average Germ Time: 15 - 30 days
Light Required: Yes
Depth: 1/8 inch (03 cm)
Sowing Rate: 3 ounces per 1,000 square feet or 8 pounds per acre
Moisture: Keep seeds moist until germination
Plant Spacing: 9 - 12 inches (25 cm)

Directly sow Wallflower seeds outdoors into loosened soil. Press the  seeds into the soil but do not cover. Sowing of Wallflower seeds can either be done in spring or autumn.