These conidia do not require free moisture in order to germinate as many fungi do. They are native to scrub and dry grassland in an area stretching from the Southwestern United States to South America, with a centre of diversity in Mexico. They bloom from summer through to the first frost, and carry double blooms with flowers of pink, purple, red, orange, or white. Life Cycle. Bloom from early summer to frost, Lance-shaped and sandpaper-like in texture, Annuals, Perennials, Vines, and Groundcovers. The colourful flowers attract bees, hoverflies and butterflies and you can choose from a range of white, yellow and orange to pink, purple, red and multi-coloured flowers. Life Cycle About Quick Fact Life Cycle Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature). How to Grow Zinnia Plants Guide to Growing Zinnia, Profusion flower. Zinnia is a genus of plants of the sunflower tribe within the daisy family (). During humid and warm spring weather (with cool nights), infected buds open and spread conidia (spores) to new host tissue. A plant’s life cycle is simply the time and conditions needed to take a plant from germination to reproduction and finally death. The common zinnia and its hybrid versions come in many sizes and flower types, making it a versatile addition to the home landscape. Zinnia Life Cycle: annual Planting Time: spring Height: 6" to 4' Exposure: full sun Soil: average to rich, well-drained soil Advertisement. Powdery mildew commonly winters over as mycelial mats in dormant buds or on plant stems and fallen leaves. Members of the genus are notable for their solitary long-stemmed flowers that come in a variety of bright colors. Zinnia Zinnia angustifolia Zinnias are a very bright and cheery bunch of flowers and they make an ace inclusion in the vegetable garden. Life Cycle About Quick Fact Life Cycle Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature). Some plants can complete their life cycle in a matter of weeks, while others can take years – even decades. Zinnia Life Cycle: annual Planting Time: spring Height: 6" to 4' Exposure: full sun Soil: average to rich, well-drained soil Hardiness: n/a Bloom Time: early summer to early fall Flower: variety of bright colors including yellow, orange, fuchsia, red, white and pink Zinnia plants are half hardy annuals that range from 20 to 90 cm (8 to 36 inches) in height.. Annuals complete their life cycles in one year; biennials produce foliage the first year and bloom and go to seed the second year; perennials can live for more than two years. Life cycle: Annual: Sun Requirements: Full Sun to Partial Shade: Flowers: Showy: Flower Color: Orange Pink Red White Yellow: Bloom Size: 1"-2" Uses: Cut Flower: Propagation: Seeds: Depth to plant seed: 1/4 inch Start indoors Other info: Sow outdoors 21 days before last frost. Fast growers and steady bloomers, zinnias are very care free. 50 Fresh Seeds Life Cycle: Annual Sun: Full-Sun / Partial Shade Height: 3ft - 4ft tall Spread: 12-24" Sowing Time: Spring Sowing Method: Direct Sow / Indoor Sow / 1/4" deep Bloom Time: Summer - Fall Moisture: Moderate Hardiness Zone: 3-10 Zinnias are one of the most easiest annuals to grow. Blooms 8 … ZINNIA - Mixed Colors - GORGEOUS Blooms!!! ... (Zinnia angustifolia), sweet alyssum (Lobularia maritima) and marigold (Tagetes.). 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