Zinnias and other plants - Knowledgebase Question

Chicago, IL
Avatar for cslorys
Question by cslorys
August 30, 2007
1) When the flower heads of the zinnias brown, do I just pull them off (dehead them?)

2) Can one replant some perrenials now (weather is about 70-85 degress). I would like to place them in a new location.

3) Any suggestions about type of grass seed to buy to cover very very shady area on the parkway. This area belongs to the city but they will not
maintain it or seed it. Right now there is no grass and in the past my efforts to plant have not resulted in much, if any, grass shooting up.

Thank you!

Answer from NGA
August 30, 2007
When the flowers of your zinnias are spent, cut the flowering stems down to foliage level. As long as the weather is warm, they should send up new flowers.

You can dig and divide or transplant perennials now. The weather should be just fine from now until late September.

Grasses usually won't grow in shady areas which is probably why you haven't had success in the past. Grass needs all day sunshine in order to thrive. I wonder if the city would object to your planting an evergreen groundcover in the parking strip? There are a number of low growing groundcovers that will grow in the shade, but they will need to be watered regularly during the growing season.

Best wishes with your garden!

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