Irises (Iris spp.) are beloved spring flowering perennials. Perhaps some fans and clumps flowered poorly this spring. There are several reasons for this, including: old clumps in need of dividing, weather issues, poorly drained soil, inadequate nutrition, too much nitrogen fertilizer, heavy shade, and pest and disease problems. Irises do not compete well for space […]
Archive for the ‘Perennials’ Category
‘Sun King’ Golden Aralia Brightens Up Any Garden Spot
Plants with golden foliage can brighten up a drab green garden patch. Sun King golden aralia (Aralia cordata ‘Sun King’) is no exception, hardy in USDA hardiness zones 3-9. The golden compound foliage emerges in mid-spring and retains its bright color throughout the summer. This herbaceous perennial grows 4 to 6 feet high and 3 […]
Many Cool Choices of Japanese Forest Grass
Japanese Forest Grass (Hakonechloa macra) is the shade-loving grass utilized for accent – to brighten a dark patch in the garden (USDA hardiness zones 5-9). Forest grass grows best in a moist, compost-rich, well-drained soil. Soil moisture and light exposure a key factors to prevent foliage from scorching or discoloring. Too much or too little […]
Russian Sage More Shrub-like Than Perennial
Russian sage (Perovskia atriplicifolia) is low maintenance woody-based perennial. It grows in a dry to medium moist average soil and, first and foremost, in full sun. It’s a long-lived perennial which stands up to summer’s heat and humidity (USDA hardiness zones 5-9). Branches tend to flop or take on a droopy appearance in late summer. […]
Enjoy Night-blooming Evening Primrose By Flashlight and I-Phone
There are over 100 species of evening primroses (Oenothera spp.) worldwide, several native to the U.S. The night-blooming evening primrose (O. glazioviana) is a great reason to plan more parties. Invite friends and neighbors, including children of all ages, although you may keep them up past their normal bedtime hour. This night blooming hardy biennial […]
Nocturnal Daylilies For Gardeners Who Work 9 To 5
A typical daylily flower opens early in the morning and fades in late afternoon. There is a class of night-blooming (nocturnal) daylilies recognized by the American Hemerocallus Society (AHS). Flowers of nocturnal daylilies open anytime from late afternoon to dusk, bloom through the night, and close-up (wither) starting in mid-morning. Introducing the true nocturnals…they open […]
‘Bikini-tini’ Colocasia Creates Movement in The Garden
Colocasia (Colocasia esculenta), aka taro, ape plant, and elephant ear, among other names, is marginally hardy in the Southern Appalachian region (USDA hardiness zones 6 and 7). The 2011 colocasia introduction ‘Bikini-tini’ has garnered high praise from neighbors and friends visiting my garden in the summer. Bikini-tini is a strong stemmed thick-leaved plant that grows 4 to 5 feet in height. […]
Why Peonies Do Not Bloom
Herbaceous peonies (Paeonia x lactiflora) are among the easy to care for and long-lived garden perennials. If you plant them correctly in compost rich, well-drained soil and a minimum of 6 hours of sunlight, they will bloom for the next 30+ years. If peonies fail to bloom, here are 8 probable causes: 1. Planting crowns […]
Summer Flowering Heleniums Should Not Make You Sneeze
Helenium, named for Helen of Troy from Greek mythology, is U.S. prairie perennial. In times past powdered disk flowers and leaves of some heleniums were used as snuff, hence the common name. It’s difficult to sell ‘sneezeweed” and many garden catalogs now list it as “helenium”. A number of good hybrid selections have been introduced […]
Hardy or Not– Grow Agapanthus
Lily-of-the-Nile (Agapanthus praecox orientalis) is native to South Africa (USDA Zones 8–11), and is not reliably hardy in the Southern Appalachian region (USDA zone 6 and 7). However, many gardeners are successfully growing it as a “tender perennial”. Agapanthus grows in an outdoor flower bed or in a container. The ball shaped light blue or white […]

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