| Table 4. Selected species and varieties of Crabapple, Juniper, and Hawthorn with resistance to rust diseases. |
|---|
| Juniperus |
| Cedar-Apple and Hawthorn Rust: |
| J. ashei |
J. chinenis:
Fortunei Hetzii Japonica Keteleeri Leeana Mas Oblonga Pendula Pfitzeriana Pfitzeriana compacta Pfitzeriana glauca Plumosa aurea Pyramidalis Sargentii Sargentii variegata Sargentii watereri |
J. communis:
Aureo-spica Cracovia Depressa Hibernica Oblonga pendula Pyramidalis Saxatilis Saxatilis pallas Suecica Suecica nana |
| J. conferta |
| J. formosana 'Hyata' |
J. horizontalis:
Adpressa Argenteus Douglasii Eximius Filicinas Glomerata Lividus Petraea Plumosa |
| J. procumbens (= J.chinensis var. procumbens) |
| J. rigida |
J. sabina:
Fastigiata Knap Hill var. tamariscifolia Skandia |
J. squamata:
Fargesii Mereri Wilsonii |
J. virginiana:
Berg's Rust Resistant Burkii Globosa Kosteri Pseudocupressus Pyramidalis Skyrocket Tripartita Venusta |
| Crataegus* (Hawthorn) |
Cedar-Hawthorn Rust:
C. intricata C. laevigata Autumn Glory C. phaenopyrum C. pruinosa C. viridis Winter King |
| Malus** (Crabapple) |
Cedar-Hawthorn Rust:
Beverly Candied Apple Dolgo Donald Wyman Eleyi Inglis Indian Summer Liset Mt. Arbor Narangasett Periscifolia Red Jewel Robinson Robusta Royalty Sargent cv. Tina Snowdrift Special Radiant Zumi |
| * The most important rust disease on landscape species or cultivars of Crataegus is cedar-quince rust. Some of the species or cultivars listed above are very susceptible to cedar-quince rust. |
| ** Note that some of these crabapples have other disease problems, including apple scab. See list on page 18 for crabapples recommended for Ohio landscapes. |
| Information taken from Pest Resistant Ornamental Plants by Deborah C. Smith-Fiola. Rutgers Cooperative Extension. |