Rent Shop Volunteer Join

Q. Who is Mr. Smarty Plants?

A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?

Share

Ask Mr. Smarty Plants

Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

Search Smarty Plants
See a list of all Smarty Plants questions

Please forgive us, but Mr. Smarty Plants has been overwhelmed by a flood of mail and must take a break for awhile to catch up. We hope to be accepting new questions again soon. Thank you!

Need help with plant identification, visit the plant identification page.

 
rate this answer
2 ratings

Thursday - February 05, 2009

From: Austin, TX
Region: Southwest
Topic: Non-Natives, Compost and Mulch, Soils
Title: Coffee grounds as mulch into vegetable beds
Answered by: Barbara Medford

QUESTION:

Can you put too much coffee grounds as mulch into vegetable beds?

ANSWER:

Good grief! How much coffee do you drink? Seriously, we have used coffee grounds as a top dressing for rose bushes and added them to compost. We have no experience with using them on vegetables and just about all vegetables are heavily hybridized and/or non-native to North America, so out of the Lady Bird Johnson Wildflower Center area of expertise. We found this article from simplegiftsfarm.com on Coffee Grounds and Gardening. The fact is, coffee grounds are slightly acidic, and in our alkaline Austin soil, that is always a plus. 

From Seattlepi.com we found this site Give your garden a jolt with coffee grounds, which specifically says that you can't have too much coffee grounds mulch. And, it says that ground coffee is high in nitrogen, making it a very good mulch for fast-growing vegetables.That would appear to answer your question so, go on, have another cup of coffee.

 

 

More Non-Natives Questions

Failure to bloom of non-native crepe myrtle
March 26, 2009 - I have a white crepe myrtle that never bloomed last year..my pink ones were beautiful. What can I fertilize with to promote blooming for the white one? And, yes, it is in the sun!
view the full question and answer

Information about cenizo care and care of non-native tibouchinas
June 25, 2008 - I just bought some tibouchinas and need some tips. I plan to plant them in an area that gets sun until about 2pm, then shade for the rest of the day. Will these plants thrive in this environment, or w...
view the full question and answer

Pachira aquatica loosing leaves.
March 17, 2016 - We have an indoor money tree that is 20 feet tall, the leaves have started to turn brown and fall. We water twice a month and mist about the same. Can you opine what what we are doing wrong the plant ...
view the full question and answer

Non-native bougainvillea from Austin
June 25, 2012 - Bougainvillea isn't a native, but since they are so prevalent here, I hope you can help. I have three, one established in-the-ground, which is pruned almost to the ground every winter; two new this y...
view the full question and answer

Short, Natural Evergreen Shrubs for Texas
March 12, 2015 - I am looking for small/dwarf evergreen shrubs that, when mature, will be no larger than three feet tall. If possible I would like shrubs that are graceful and more natural looking rather than ôregimen...
view the full question and answer

Support the Wildflower Center by Donating Online or Becoming a Member today.