31 records

  • Plant Name & Description

    Botantical Name

  • Nancy's Red Red-Hot Poker Kniphofia 'Nancy's Red'

    This perennial has fleshy grass-like leaves that grow in a clump. Tubular, coral red flowers grow in clusters on top of long stems. The leaves are mid-green and not too showy, but are easy to maintain when not flowering. Red hot pokers are robust plants that require some water but will handle drought.

  • Nanho Purple Butterfly Bush Buddleja davidii 'Nanho Purple'

    Beautiful medium to large shrub flowering shrub. Can be pruned back to desired height each year, even to the ground if desired. Once established, this plant is tolerant of many conditions. Attracts butterflies and bees. This variety sports dense, 18" long clusters of lavender purple, fragrant flowers with orange eyes.

  • Nanking Cherry Prunus tomentosa

    Dense spreading deciduous shrub. Produces attractive reddish-brown peeling bark. Green leaves are elliptical in shape with toothed edges. Early spring brings fragrant white blossoms with light pink centers turning to bright red fruit by July. Very cold hardy and tolerant of drought conditions. Becomes more open with age.

  • Nannyberry Viburnum lentago

    Large multi-stemmed shrub which can also be grown as a small single-stemmed tree with extensive pruning. Bears large flat clusters of small white flowers in late spring which turn into dark blue-black berries. Berries are sometimes used in jams and jellies and also provide food for birds. Glossy green leaves are finely serrated on the edges. Red fall color is variable. Native to the eastern US. Tolerates low water situations but prefers more water.

  • Narbonne Blue Flax Linum narbonense

    This flax is the Mediterranean version of the native blue flax. It blooms longer and fuller than the native with the same sky blue flowers. The leaves are fine and can be evergreen, depending on the winter.

  • Narrowleaf Cottonwood Populus angustifolia

    A large tree of the willow family, the cottonwood is native to wetland and riparian areas throughout Utah. It is a fast grower and can reach heights of up to 60 feet. It's bark is gray and coarse, becoming deeply ridged with age. As the name suggests, the leaves are narrow, almost resembling those of a willow. It can be messy, dropping twigs and leaves throughout the year. It has an aggressive root system which can damage underground pipes.

  • Navajo Sunset Hummingbird Mint Agastache aurantiaca 'Navajo Sunset'

    The apricot-orange flowers bloom in the heat of summer. Flowers and foliage have a mint scent. Drought tolerant, but an occasional deep watering is beneficial.

  • Navajo Tea Thelesperma ambiguum

    Bushy, mounded perennial native to the western United States. Also called Colorado Greenthread as a description of its very thin bright green leaves. Yellow, daisy-like flowers bloom profusely in late May to June. Requires minimal amounts of water once established. Avoid overwatering.

  • Navajo Yucca Yucca baileyi

    Upright-growing evergreen shrub. Leaves are very narrow and pointed at tip end. Clusters of cream-colored flowers tinged with purple grow on tall stems above the plants in mid to late-spring. Needs no irrigation once established. May not be entirely winter hardy in Utah.

  • Navigator Penstemon Penstemon barbatus 'Navigator'

    Multi-colored penstemon mix with hues ranging from pink to purple and blue. Flowers bloom in spring growing on tall spikelets on well-branched stems. Long-linear leaves are dark green and tend to fade in the heat of the summer. Prefers hot locations and well-drained soils.

  • Neon Flash Spirea Spiraea japonica 'Neon Flash'

    Small, rounded deciduous shrub. Produces abundant flat clusters of dark pink to red flowers in mid to late spring into the summer. Young leaves emerge reddish bronze and turn dark green when mature. Requires significant pruning to promote more flowering.

  • Neon Stonecrop Sedum spectabile 'Neon'

    Clump-forming succulent with large, fleshy, blue-green leaves. Neon bright-pink flowers bloom in late-summer to fall. Seedheads are attractive when dry and can remain throughout the winter. Tolerates many soil types and low-water situations.

  • New Dimension Blue Sage Salvia nemorosa 'New Dimension Blue'

    Spikes of violet flowers start to bloom in early summer over a mound of aromatic, green to dark green foliage. As the summer progresses, the flowers and the foliage fade. Cutting back the foliage to the basal leaves will result in new growth and blooms, up to three re-blooms in a year in Utah. The plant is drought tolerant once established.

  • New Dimension Rose Sage Salvia nemorosa 'New Dimension Rose'

    Spikes of rose-purple flowers start to bloom in early summer over a mound of aromatic, green to dark green foliage. As the summer progresses, the flowers and the foliage fade. Cutting back the foliage to the basal leaves will result in new growth and blooms, up to three re-blooms in a year in Utah. The plant is drought tolerant once established.

  • New England Aster Aster novae-angliae

    This tall perennial brings on an abundance of striking, lavender-pink blossoms in the late summer and early fall. Along with other asters, the New England Aster supplies necessary nectar for fall pollinators. The Monarch butterflies especially appreciate this plant’s nectar as they store away what they need for their fall migration to Mexico.

  • New Giant Peachleaf Bellflower Campanula persicifolia 'New Giant'

    A reliable and self-seeding garden flower with large, bell-shaped, sky blue blooms rising on spikes above narrow foliage. Works well as a cut flower, reblooming when spikes are cut. Pairs beautifully with yellow perennials such as daylilies and coreopsis.

  • New Hampshire Gold Forsythia Forsythia 'New Hampshire Gold'

    Deciduous flowering shrub. Selected for its extreme cold hardiness, flower bud will survive to -35 degrees F. Bright yellow flowers appear in early spring followed by mid-green foliage; fall turns the foliage to dark purple. Full sun promotes the best flowering. Tolerant of a wide range of soil types. Requires moderate amounts of watering once established.

  • New Hampshire Purple Cranesbill Geranium sanguineum 'New Hampshire Purple'

    Clump-forming, spreading perennial. Green leaves are deeply lobed turning red in autumn. Magenta 5-petaled flowers cover the plant in spring with sparse reblooms throughout the summer. Will tolerate some drought and poor soils but prefers moderate watering and fertile soils.

  • New Mexico Privet Forestiera neomexicana

    Fast growing deciduous shrub with green to gray-green foliage. Inconspicuous yellow-white flowers bloom in spring followed by small black berries enjoyed by birds. Shape improves with age. Useful fast filler for desert conditions. Drought tolerant after established. Prefers alkaline soil and tolerates many different soil textures. Grows best with moderate water.

  • New Vintage Violet Yarrow Achillea millefolium 'Balvinolet'

    Striking magenta blossoms bloom in flat, tight clusters with every individual tiny blossom having a creamy white center—giving the overall plant a polka-dot appearance, whether in the landscape or as a cut flower. The colorful patterned display lasts all summer long. The leaves are feathery and resemble fern foliage.

  • Niagara Grape Vitis labrusca 'Niagara'

    American grape variety with inconspicuous fragrant green flowers appear in spring and lead to bunches of seeded white grapes ripening midseason. To maximize fruit production training, pruning, and regular spraying are required. Consult your local extension agency for specific instructions. Fruit is great for eating, wines and jellies. Vines do have ornamental value as well. Grow in sheltered area with well drained soils and moderate watering.

  • Night Owl Iris Iris 'Night Owl'

    Upright growing bulbous perennial with fragrant flowers. Large, dark purple flowers bloom in spring. Attractive lance-shaped leaves are deer resistant. Tolerates some drought but peforms best with moderate water.

  • Niobe Clematis Clematis 'Niobe'

    Compact flowering climbing vine. Bears single deep 6-8" red flowers in spring that appear almost black to start but turns bright ruby red. Green foliage contrasts well with the flowers. Needs a structure to climb on. Group 2 type clematis. Avoid pruning until well established.

  • Northern Exposure Silver Coral Bells Heuchera 'TNHEUNES'

    Deep purple leaves are frosty silver between the veins, providing lasting color contrast when paired with other mounding shade perennials. Delicate pink flowers are held on tall stems in the spring.

  • Northern Gold Forsythia Forsythia 'Northern Gold'

    Upright-growing deciduous shrub. Blooms profusely in early-spring before leaves appear and cover the branches with a spectacular show of golden-yellow flowers. Dark green foliage creates a backdrop that looks great when plants are massed together. This variety is prized for its cold-hardiness. Prune in spring after blooms fade to shape and promote new growth and better blooms.

  • Northern Maidenhair Fern Adiantum pedatum

    A delicate, lacy fern with shiny black stems that arrange the fronds in a fan-like circle. This native of the eastern US is typically found in shady, moist sites with rich, acidic soils. A lovely choice for shady woodland landscapes among rocks and evergreens. It may go dormant not only during the winter but also during dry spells.

  • Northern Sea Oats Chasmanthium latifolium

    Clump-forming perennial grass native to North America. Its chief characteristic are the flat seed heads that appear in late-summer to early-fall. The seed heads emerge green but turn to purplish-bronze with age eventually turning to tan when temperatures reach freezing. One of the most tolerant grasses to shade. Grows naturally along streams and other moist areas so it requires moist well-drained soils.

  • Northern Treasure Ash Fraxinus 'Northern Treasure'

    A recent introduction, this medium-sized deciduous tree is a cross between the Manchurian ash and the black ash. It's compound leaves are attractive with slightly rounder edges than the green ash. This tree is most striking in the fall when the cooler temperatures cause the leaves to achieve a golden hue. It grows well in alkaline soils, but needs moderate water to thrive.

  • Northwind Switchgrass Panicum virgatum 'Northwind'

    An ornamental grass that works as an alluring accent plant or specimen piece, but also creates a beautiful border or back drop when planted in mass grouping. The form is strictly upright and compact. The foliage is an olive green to blue green that contrasts beautifully with the soft yellow panicles of blossoms which come in abundance in the fall. They still look attractive when dried and can offer winter interest. The seeds are eaten by a variety of birds. The species is native from Utah to the east coast.

  • Norton Gold Oregano Origanum 'Norton Gold'

    This tough perennial grows somewhat woody and sprawling, but adorned with golden chartreuse leaves. Tiny lavender-pink flowers bloom in the summer. The leaves are aromatic, but usually not used for culinary purposes. It is adaptable to many different types of soils and sites and shows good heat and drought tolerance.

  • Nugget Ninebark Physocarpus opulifolius 'Nugget'

    Compact, mounded deciduous shrub. Lobed leaves emerge bright-golden yellow and mature to lime green in the middle of the summer turning yellow again in the fall. Clusters of white to pink flowers bloom in spring. Bark is exfoliating and reveals shades of red to brown underneath. Tolerates alkaline soils and drought.