The latest information I have read refers to NOT providing clean water. See Dr. Casey's blog for information.
http://www.ucanr.org/blogs/blogcore/postdetail.cfm?postnum=26345
Congratulations on the article in Horticulture Magazine. I have been a participant for years! I have committed to 10 counts this year. Now to go start my lemon queen sunflower seeds...
Peggy Beltramo, Placer County Master Gardener
Which garden or space are you describing?:
How large is your yard?:
400.00
square yards
Are there low traffic areas where the soil is not turned over, tilled or plowed?:
Yes
Are there areas dead wood, brush piles or snags present?:
Yes
Are there areas with pithy twigs (elderberry, cane fruit, sumac, etc…)?:
Yes
Do you have native bunchgrasses?:
Several areas or one large area.
Are there bee nesting blocks?:
Yes
Is your nest block near a landmark like a rock?:
Yes
Does your nest block have less than 20 holes?:
Yes
Did you clean or replace your nest block in the last two years?:
Yes
How much of the garden is planted with flowering annual or perennial plants (including shrubs, vegetables and trees)?:
Most (more than 75%)
Are the flowering plants that you have pollinator friendly?:
Most (more than 75%)
Are flowers planted in clumps?:
Yes.
How much mulch is on the ground?:
Some.
Is there fresh, clean water always available with a perch that bees could stand on and drink?:
Yes
Does the garden use herbicides?:
No.
Are pesticides used in the garden?:
No