16 November 2013

Dahlberg Daisy, thymophylla tenuiloba, is Golden Fleece, Tiny Tim, etc.

This little member of the Asteraceae family is in the Genus Thymophylla and the species is named tenuiloba. It is also called Bristle leaf, Pricklyleaf, Dogweed, Fe, Dyssodia tenuiloba, Dyssodia tenuiloba var. tenuiloba and Thymophylla tenuiloba var. tenuiloba.  



A friend in Phoenix harvested seeds from his plants and sent some so of course I planted them in the shed in a celltray under lights, and they are popping up. 

Dahlberg Daisies popping up with seed attached

The leaves release a  lemony scent when crushed.
Hardy in zones 4 to 11, the stems only reach 6 to 11 inches and a foot at maximum height. But they are covered with 1-inch, scented, yellow flowers in July and August. Usually Dahlberg Daisies are grown as a groundcover, planted between pavers and in rock gardens. The leaves are fern-like.
 Dahlberg Daisy's North and Central American relatives include a few annuals, perennials and biennials that want lots of sun and average, well-drained ground, needing very little water. Too much water will cause root rot.

Outsidepride.com seeds$5 for 5,000
Rob's Plants calls them a must have. They can be cute in hanging baskets and window boxes.  

Iowa State has these germination tips 

1. Fill a seed starter tray with soilless potting mix to the brim by hand. Do not pack the soilless mix, it should be light and fluffy. Use a seed starter tray that has 2-inch-deep individual cells.

2. Place three Dahlberg daisy seeds in the center of each individual cell, picking them up with tweezers and setting them directly on top of the soilless mix. Dahlberg daisy seeds are tiny, so you can sow them on top of the soil.

 3. Water each planted cell with a spray bottle set to a fine mist, until the soil is evenly moist, but not saturated. Water directly after planting and at least once a day after that. Do not let the soil dry out during the germination process.

 4. Set the planted starter tray in a spot with daytime air temperatures of 75 to 80 F and eight hours of bright, direct sun per day, such as a south-facing window, directly after the first watering. Nighttime temperatures should not fall below 65 F. The seeds should sprout in around 14 days.

OutsidePride says, "Dahlberg Daisy Golden Fleece is normally treated as an annual, but sometimes survives for a second or third season in frost free areas. Start the Dahlberg Daisy seeds indoors 8 - 10 weeks before the end of frost season. Sow the ground cover seeds on the soil surface and press them in. Keep the seeds moist until germination occurs. Transplant the Dahlbery Daisy plants outdoors once frost season is over. Dahlberg Daisy Thymophylla is used as a spring and summer ground cover plant for masses of color. It is good where a low edging is needed, providing color for several months. Dahlberg Daisy Golden Fleece also makes an excellent showing in a porch planter or a hanging basket. It blooms for several months, but flowers best in late summer when temperatures begin to cool a bit. Dahlberg Daisies are quite tolerant of dry conditions and suffer during periods of high rainfall and humidity."

In North Dakota, they plan up to 16-weeks between seed-starting and planting out. If that's accurate for our area, I'm actually on time with something for a change!
 

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