December 13, 2019

New HHPN Social Media

We look forward to bringing you helpful tips and information to keep your plants happy and healthy! 

How Do Your Milkweeds Grow?

FIGURE CAPTION: (A) milkweed plants on the perimeter of the garden; (B) milkweed on the interior of the garden; (C) no formal design. Bottom row, gardens of the various designs as they appeared in 2018.  Source: Figure 1 from Baker and Potter, 2018.

Mary, Mary quite contrary How does your garden grow? All the flowers, all the colors All in a perfect row

Landscape architects and garden designers might disagree with Contrary Mary’s arrangement of flowers in a perfect row, but maybe it makes sense to monarch butterflies.

Care of Amaryllis after Flowering

A White Nymph Amaryllis

Amaryllis bulbs are forced indoors for their large, spectacular flowers. Some individuals discard the amaryllis after flowering. However, it is possible to save the amaryllis and force it to flower on an annual basis. The key to successful reflowering is proper care.          

All About Air Plants

Air plants can be displayed in a variety of ways.

Air plants are unusual, unique, and very popular right now!  Air plants are plants that grow without soil. This distinctive growth habit means these fun houseplants have some special considerations.  

Upcoming Horticultural Programs

HHPN readers might be interested in these upcoming horticulture conferences/workshops that are listed below.  Additional information on each program is available from the listed contacts.


January 7-9, 2020

Iowa Turfgrass Conference and Trade Show

Prairie Meadows Events and Conference Center, Altoona, Iowa

Program Information: or Iowa Turfgrass Office (515) 635-0306


Yard and Garden: Enjoy a Holiday Poinsettia

Poinsettia plants in bloom as Christmas decorations

Add brilliant color to your home decor with a live poinsettia this holiday season. Follow the recommendations of Iowa State University horticulture specialists for easy caregiving and enjoyment. To have additional questions answered contact Hortline at or 515-294-3108.