Zinnia elegans This enchanting garden zinnia is fascinating. The 2-3 inch double flowers display an attractive contrasting color at the tip of each petal. Wonderful sunny color combination of reds, whites, yellows, pinks, and oranges. Grows to 24 inches tall.
Zinnias come in a diverse range of shapes, sizes, and colors-something for everybody. They are heat-loving plants, best sown at the same time that peppers are transplanted outside. Zinnias bloom during that part of summer when many other flowers have finished, from late July until the rainy season sets in, or until your first frost. Germination code: (1) or (4)
Cutting and Crafting
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Given at the end of each description to give you specific information.
(1) Germination occurs between 70-85°F and within 6-15 days. Sow indoors and cover lightly.
(2) Needs a period of pre-chilling. Mix seeds with moistened peat moss and place in plastic bag. Seal and place bag in an area where the temperature is around 60°F for 2-3 days. Then place in the refrigerator for 30-90 days. After pre-chilling, place seed on sterile seedling mix and cover lightly. Germination may take up to 30 days.
(3) Needs darkness to germinate. Remove cover as soon as germination occurs.
(4) Direct sow in the garden as soon as the soil warms to at least 55°F.
(5) Germination may be slow and erratic. A fluctuating temperature of 75°F during the day and 50°F at night may help.
(6) Needs at least 12 hours of light per day to germinate. Press into the medium but do not cover. Keep moist.
Note: For those varieties that indicate a (1) or (6), a very light covering of vermiculite will allow adequate light to the seed and keep it uniformly moist.
• As a general rule, flowers can be sown when soil has warmed to at least 55°F
• Apply 1-2 cups of TSC's Complete fertilizer per 5 row feet, and 1 inch of compost
• If you prefer to soak your seeds: soak in 85°F water for 1-3 hours and plant immediately — longer soaking times are often detrimental; seeds need air to live
• Seeds should be buried 2 times their narrowest dimension and covered with finely raked soil or vermiculite unless otherwise noted
• Some varieties can take over a month to germinate so mark your rows, keep them moist, and for larger seeds like sunflowers, use bird netting
• Sow 5-6 weeks prior to anticipated transplant date
• If seeds need darkness, cover with 2 sheets of newspaper or plastic, remove upon the first signs of germination
• We recommend feeding your seedlings Age Old Grow, diluted to 1/4 strength
Insects & Disease
• Early watering and good weed control will generally alleviate most problems
• Pyrethrin will control most insects
Harvest & Storage
• For fresh-cut flowers: Harvest in the morning when flowers are their freshest and petals are just opening
• Cut with a clean knife that has been dipped in a solution of 10% household bleach
• A few drops of bleach in the vase will prolong their beauty