Archive for the ‘Heat Tolerance’ Category

Chinese Pistache – Great Yard / Street Tree

Chinese pistache tree (Pistachia chinensis) is a small to medium size 25–40-foot landscape tree, an ideal size for a yard or street tree. Chinese pistache is native to China, Taiwan and the Philippines (USDA hardiness zones 6-9). It is related to the edible pistache nut tree (Pistachia vera). (Botanical family: Anacardiaceae). Foliage consists of pinnate compound, […]

Plant Empress Tree Along Roadsides

Empress tree (Paulownia tomentosa) is a fast-growing shade tree, in some years adding 4-5 feet of new growth annually. In general, this tree is not recommended for planting in landscapes. This is a weedy and messy tree and is listed as an invasive species in many states. Paulownia eventually to reach heights of 40-50 feet […]

Winter Honeysuckle Totally Ignored In U.S. Landscapes

Winter honeysuckle, aka fragrant honeysuckle (Lonicera fragrantissima) is a treasured heirloom shrub (USDA hardiness zones 4 to 8). Plantings of this late winter blooming large woody shrub are still found in historical (older) urban neighborhoods and city parks planted prior to the 1960’s. This tough, durable shrub can reach 10+ feet tall and wide. You […]

Haworthias – Fun Care-Free Houseplants

Let’s look at haworthias (Haworthia spp.). Plant hobbiests rate them as fun collectables and ask for very little care. Haworthias have dark green leaves arranged in a rosette. Leaves are thick and fleshy and end in a pointed tip. Leaves feel leathery to the touch. These succulents are frequently sold as cacti at garden centers. […]

Celebrate Three New Summerific® Hibiscus Varieties

Summerific® is a trademarked series of Rose Mallow (Hibiscus moscheutos) from Walters Gardens Inc. in Zeeland, Michigan. It is a native perennial hibiscus that emerges from the soil in late spring and grows rapidly. Both their huge flowers and foliage are natural focal points in the summer garden. This long-lived perennial can be utilized as […]

Mimosa Tree – A Different Option

Over the hot spring and summer months, weedy Mimosa trees (Albizia julibrissin) stand beautiful along U.S roadsides. During the rest of the year, people pay very little attention to this arboreal Asian beauty that inhabit a vast area from Iran to China (USDA hardiness zones 6-9). YES, this tree can be invasive. Read on. From […]

Perennial Salvias Getting Better

Perennial salvias (Salvia × sylvestris) represent a number of hybrid crosses between S. nemorosa and S. pratensis but may include S. × alpestris, S. × asperula, S. × collina, and S. × superba. Most cultivars are branched, upright, clump-forming, perennials with opposite, oblong to lanceolate, medium green leaves and showy spikes of tiny, tubular, two-lipped flowers (each to 1/2” long). Flower color choices range from blue to lavender to purple, depending […]

Indian Pinks

Indian Pinks (Spigelia marilandica) is a strikingly beautiful native wildflower throughout central and southeastern U.S. It is sometimes called “woodland pinkroot”. This perennial grows well in many parts of the U.S. (Zones (5b-9). Plants emerge in mid-spring. Sometime in June, depending on locality, their bright red tubular flowers flare open, crowned by five sharply pointed […]

Successful Gaura Growing Tips

Gaura (Oenothera lindheimeri) is a low-maintenance perennial native to the southern U.S. (Zones 5-9) and is a durable plant for gardeners. Its waving wands are dotted with dozens of whitish to pinkish flowers don’t stop blooming until summer temps climb above the 90°F range. Gaura is often called “whirling butterflies” because the flowers appear to […]

New USDA Hardiness Zone Map

The USDA Plant Zone Hardiness Zone Map is an important garden reference to anyone who gardens in the continental United States, Alaska, Hawaii or Puerto Rico. The U.S. Department of Agriculture (USDA) today released a new version of its Plant Hardiness Zone Map (PHZM), updating this valuable tool for gardeners and researchers for the first […]