Pretty as a Petunia

 By: Jennifer LaMontagne – Horticulturist – Bloch’s Farm – Green Lake, WI

An easy to grow, highly favored annual, Petunias will add a splash of color to any garden or container throughout the summer.  A myriad of options are available for you to choose from including full-colored, bi-colored, single-flowered, double-flowered, spreading, or mounding.  Come on over to Bloch’s Farm in Green Lake to check out all the beautiful varieties! 

There are four main categories of petunias.  The most popular variety is grandiflora which produces voluminous single or double flowers up to 5 inches in diameter.  The colorful blooms and ease of maintenance makes this the best variety to grow in containers or hanging baskets.  Multiflora petunias produce numerous small flowers. With sturdy stems and longer lasting blooms, they can tolerate more wind and rain.  

Milliflora petunias are the most compact variety, growing up to 8 inches tall and wide and producing lots of tiny blooms.  They blossom early in the season, require no deadheading, and are great for planting in window boxes.  Spreading petunias, such as wave petunias, are the best for ground cover being that they grow up to 6 inches tall and quickly spread out.  

To ensure continuous beautiful blooms all season long, petunias need proper sunlight, water, and fertilization.  Petunias grow best when planted in full sun.  They can tolerate partial shade but will produce fewer flowers.  Plant petunias in light, well-drained soil and water regularly, especially if you have a spreading variety or if they are planted in containers.  To keep your petunias looking superb, fertilize them monthly.  Most varieties of petunias also require trimming or deadheading to prolong their beauty.

Petunias play well with others such as zinnias, lobelia, or lantana.  Plant with upright flowers, such as snapdragons for container planting, and pair with calibrachoa or verbena in hanging baskets.  

  Bloch’s Farm is open to the public 7 days a week:  8am to 6pm Monday through Saturday and 8am to 4pm on Sundays.  Do you need some pottery for your petunias?  Don’t miss this weekend’s sale!  20% off all pottery! 

Thank you for your patience and understanding as we work through new procedures to help everyone stay healthy.  We ask that health department guidelines be followed upon your visit to the farm.  Please stay home if you are not feeling well. Keep a 6’ distance from others, and wear a mask.  Limit your party to 1-2 adults, and plan shopping ahead of time to stay focused and efficient.  For lengthy questions or discussions, consider contacting us first via email or phone.  Limit unnecessary handling of plant material and other products.  

We also continue to  offer online ordering and curbside pick-up or delivery.  For easy access to our website and online ordering, look for the “Shop Now” tab on Bloch’s Farm Facebook page or go directly to, and in the menu section choose “Shop Now.”  

To view a complete inventory list, choose the “Online Order Forms” tab in the menu section of the website.  Inventories are subject to availability.  If you have questions, feel free to call 920-294-6000 or email me at

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