Perennial, Cherianthus allionii
Wallflowers are an easy to grow perennial plant, that will perk up rock gardens, bank sides, and walkways. They look great in just about any location. Wallflower plants look their best when grown in mass plantings, and tolerate a little crowding.
Wallflower are native to Mediterranean, North and Central America, Europe, Southwestern Asia. The most common flower colors include shades of yellow, orange, and violet. Less common are pinks, blues, and crimson varieties.
Plant Height: 4" - 50", depending upon variety
Other Plant Names: Blister Cress, Gillyflower
Flowers Bloom: Spring and early summer
Garden Tip: Try growing wallflowers in containers on the deck, or in window boxes.
Plant Propagation:
Wallflower plants are grown from seed. The seed needs light to germinate. Loosen the soil, and sow seeds on top of the ground. Water the seeds in, lightly. Keep the soil moist while germinating seeds.
The plant can also be propagated from cuttings in the spring.
Days to Germination: 15-30
Plants will often self seed.
Wallflower plants are easy to grow and maintain.
The plants prefer full to partial sunlight.
Grow plants in average to rich soil. The soil should drain well.
Soil pH: 5 to 8.
Wallflower does not need a lot of fertilizer. Mix in compost when first planting. Apply a general purpose fertilizer in the early spring, and again in mid-summer.
Wallflower are somewhat drought tolerant. Water plants during dry weather.
After the plants are established, mulch around them, to help keep weeds down, and to retain soil moisture.
Deadhead spent flowers, to promote more blooms.
Plant Spacing: 12"
Flowers Bloom: Summer to early Fall
Wallflower plants are seldom bothered by insects and disease. Generally, these plants do not need insecticides or fungicides.
On rare occasion where insects or disease are a problem, treat them with an insecticidal soap and /or fungicide at the earliest sign of trouble.
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