Gary Knox

Author's details

Name: Gary Knox
Date registered: July 8, 2013

Biography

Gary Knox is an Extension Specialist and Professor of Environmental Horticulture with the University of Florida at the North Florida Research and Education Center in Quincy. Dr. Knox’s research interests focus on evaluating species and cultivars of woody plants for their invasive potential as well as for ornamental characteristics. In addition to research plantings, Dr. Knox is working with a nonprofit volunteer group to develop "Gardens of the Big Bend," a series of botanical, teaching and evaluation gardens at the Center.

Latest posts

  1. Plant Cupheas for Summer Flowers, Hummingbirds, and More — August 17, 2017
  2. New Resource on Integrated Pest Management for Shrubs — June 29, 2017
  3. Workshop on New and Re-emerging Rose Diseases and Pests, July 11, 1-5 pm. — June 22, 2017
  4. Gardening for Pollinator Conservation Workshop – October 13th, Quincy FL — October 7, 2016
  5. Ashe Magnolia, Rare Beauty of the Florida Panhandle — April 20, 2016

Author's posts listings

Plant Cupheas for Summer Flowers, Hummingbirds, and More

  Cupheas are perennials that produce bright orange, red, yellow or purple flowers all summer and fall.  Some species are called cigar plants due to their tubular, cigar shaped flowers tipped in red or yellow (like a lit cigar). Others are sometimes called firecracker plants because their cylindrical flowers are bright red or orange (looking …

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Permanent link to this article: http://nwdistrict.ifas.ufl.edu/hort/2017/08/17/plant-cupheas-for-summer-flowers-hummingbirds-and-more/

New Resource on Integrated Pest Management for Shrubs

IPM for Shrubs in Southeastern US Nursery Production Volume II is the third book released by the Southern Nursery Integrated Pest Management Working Group (SNIPM) and includes chapters on hydrangea, loropetalum, holly, rhododendron (including azalea), Indian hawthorn, and weed management. Each chapter covers history, culture and management of the major species and cultivars in production, as …

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Permanent link to this article: http://nwdistrict.ifas.ufl.edu/hort/2017/06/29/new-resource-on-integrated-pest-management-for-shrubs/

Workshop on New and Re-emerging Rose Diseases and Pests, July 11, 1-5 pm.

Come to this free workshop to learn about the latest results of University of Florida and national research on roses. Receive hands-on training on symptoms and management of rose rosette disease, rose mosaic disease, crown gall, and rose pests.   FL Pesticide CEUs, FNGLA CEUs and GA Pesticide CEUs have been applied for!   This …

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Permanent link to this article: http://nwdistrict.ifas.ufl.edu/hort/2017/06/22/workshop-on-new-and-re-emerging-rose-diseases-and-pests-july-11-1-5-pm/

Gardening for Pollinator Conservation Workshop – October 13th, Quincy FL

A “Gardening for Pollinator Conservation” Workshop will take place Thursday, October 13, at the UF/IFAS North Florida Research and Education Center (NFREC) in Quincy. Pollinators are important in conserving native plants, ensuring a plentiful food supply, encouraging biodiversity and helping maintain a healthier ecological environment – – – the so-called “balance of nature.” Come learn …

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Permanent link to this article: http://nwdistrict.ifas.ufl.edu/hort/2016/10/07/gardening-for-pollinator-conservation-workshop-october-13th-quincy-fl/

Ashe Magnolia, Rare Beauty of the Florida Panhandle

The huge flowers and leaves of Ashe magnolia make it one of my favorite native flowering trees. Individual flowers may be 6 – 12 inches in diameter and are white with purple blotches at the bases of the 3 inner petal-like tepals. When in flower, as they are now in April, the huge white blooms …

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Permanent link to this article: http://nwdistrict.ifas.ufl.edu/hort/2016/04/20/ashe-magnolia-rare-beauty-of-the-florida-panhandle/

Art and Plants Come Together at the “Art & Garden Fall Family Festival”

The University of Florida/IFAS presents Art & Garden Fall Family Festival, October 3, at the North Florida Research and Education Center (NFREC), Quincy Campus. Join us that day and discover creative ways to explore visual art and the art of gardening through demonstrations and fun activities for the whole family. Speak with experts about all …

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Permanent link to this article: http://nwdistrict.ifas.ufl.edu/hort/2015/09/28/art-and-plants-come-together-at-the-art-garden-fall-family-festival/

Crapemyrtle Cultivars for North Florida

  Crapemyrtle flowering is set to be spectacular this year! While most other garden plants droop from summer’s heat, humidity and heavy rains, crapemyrtle thrives and puts on an outstanding show of flowers all summer and fall. Thanks to modern breeders, we have all sizes of improved hybrid crapemyrtles with flower colors of lavender, purple, …

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Permanent link to this article: http://nwdistrict.ifas.ufl.edu/hort/2015/06/23/crapemyrtle-cultivars-for-north-florida/

Succulents Thrive in Summer Heat

Summer is here, along with its heat, humidity, drought and stress! One easy way to garden during summer is to use succulents and other drought adapted plants. Succulents are heat-adapted, water-efficient plants often associated with deserts and dunes. Usually succulents have thick leaves or stems that store water. A cactus is a familiar type of …

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Permanent link to this article: http://nwdistrict.ifas.ufl.edu/hort/2015/05/26/succulents-thrive-in-summer-heat/

Be on the Lookout for Crapemyrtle Bark Scale!

Crapemyrtle bark scale, Eriococcus laqerstroemia, is a new pest of crapemyrtle and is emerging as a major threat to crapemyrtles throughout Florida and the Southeast U.S.  This pest was first discovered in the Dallas TX area in 2004 and in recent years has spread rapidly to areas such as Tulsa OK, Memphis TN, New Orleans …

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Permanent link to this article: http://nwdistrict.ifas.ufl.edu/hort/2015/03/31/be-on-the-lookout-for-crapemyrtle-bark-scale/

Late-flowering Magnolias Avoid Freeze Damage

This winter’s recurring freezes and frosts have played havoc with early flowering plants like magnolia. While buds are freeze-resistant, open magnolia flowers can quickly turn brown after exposure to temperatures about 30°F or lower. One way to avoid freeze-damaged flowers is to choose later blooming cultivars. These selections have flowers that open in north Florida …

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Permanent link to this article: http://nwdistrict.ifas.ufl.edu/hort/2015/02/24/late-flowering-magnolias-avoid-freeze-damage/

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