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Help for the Home Gardener

 

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Visit the Center for Home Gardening

Stop by the Center for Home Gardening and get your gardening questions answered by our expert staff and Master Gardener volunteers at the Plant Doctor Desk, or check out our houseplant display and other home gardening resources! Be sure to also take a stroll through our 23 outdoor demonstration gardens, which include a vegetable and fruit garden, cut flower garden, an experimental garden, and a newly renovated native prairie garden.  

Plant Doctor Desk (Walk-In) 

April–October open daily, 9 a.m.–3 p.m.

November–March open Monday–Friday, 9 a.m.–3 p.m.

Horticulture Answer Service (Phone & E-mail) 

Hours: Monday–Friday, 9 a.m.–12 p.m. 

Phone #: 314-577-5143 

E-mail: plantinformation@mobot.org 

March Gardening Tips

  • Trees, shrubs, and perennials can be planted this month if the ground can be worked. 

  • Summer and fall blooming perennials should be divided as needed as new growth starts to emerge. 

  • Mulching will assist in weed suppression throughout the growing season. 

  • Apply crabgrass preventer in mid-March to mid-April, before soil temperatures are 55°F for more than a few days in a row and forsythia blooms fade. After this point, preemergent herbicides are not as effective at preventing crabgrass seed germination. 

  • Cut back ornamental grasses and liriope before new growth emerges. 

  • Set out transplants of broccoli, cauliflower, and cabbages outdoors by mid-March.