University of Maryland Extension

Plant of the Week Index

Landscape and Nursery IPM Reports:

Plants for 2011-2016:

Acer palmatum var dissectum 'Inaba-shidare' and 
A. palmatum
'Ever Red'
13Jun28
Agapanthus 'Monmid' Blueknight16Jul15
Albizia julibrissin 'Summer Chocolate'15Jul31
Alchemilla mollis13Jun14
Amelanchier x grandiflora 'Autumn Brilliance'16Apr29
Aquilegia12May04
Aquilegia canadensis (columbine)16Apr15
Arisaema (Jack-in-the-pulpit)11Apr29
Armeria maritima13May24
Aronia12Sep07
Artemesia schmidtiana 'Silver Mound'11Sep02
Asimina triloba (paw paw)11Jul08

Azalea Bloom-a-Thon®

15Oct30

Baptisia sphaerocarpa, yellow wild indigo

16Jun03

Buddleia x Podaras or Flutterby Petite® Tutti Fruitti Pink Butterfly Bush

16Aug19
Buddleia 'Miss Molly' (a sterile cultivar)14Jul11
Bulbs in spring16Mar18
Caladium bicolor13Aug02
Callicarpa americana (beautyberry)15Sep25
Camellia japonica 'Blood of China'13May03
Camellia sasanqua14Oct24
Carex hachijoensis 'Evergold'11Oct07
Catalpa bignonioides11Jun03
Cedrus deodara 'Electra Blue' 17Apr14
Cercis x 'Merlot'16Jul08
Cercis canadensis 'Alba'13Apr26
Chionanthus retusus13May17
Clematis Josephine™14May23
Clematis Sapphire Indigo™ ‘Clematis cleminov 51'14Jul18
Chamaecyparis obtusa 'Nana Lutea'14Jun13
Chamaecyparis obtusa 'Crippsii' 15Jul10
Conoclinium coelestinum (mistflower)12Oct19
Convallaria majalis11May20
Coreopsis verticillata (threadleaf coreopsis)12Aug03
11Jul01
Cornus kousa
Cornus kousa
'Snowboy'
11May27
15Aug14
Cornus sericea, red twig dogwood16Apr01
Corylopsis pauciflora11Apr08
Crocosmia13Sep06
Crocus11Mar18
Cryptomeria japonica11Aug26
Cunninghamia lanceolata (China fir)12Oct12
Daphne genkwa (lilac Daphne)15Apr24
Distylium15Jul02
Dodecatheon meadia (shooting star)13May31
Echinacea purpurea13Jul26
12Jun15
Echinacea x purprea 'Evening Glow'16Jun17
Edgeworthia chrysantha (paperbush)17Apr07
Equisetum hyemale (horsetail, scouring rust)16Aug26
Eupatorium purpureum subsp. maculatum (spotted Joe pye weed)
14Aug29
Euphorbia x martinii12Mar30
Franklinia alatamaha15Sep11
Fothergilla gardenii (dwarf fothergilla)16Apr08
Fothergilla x intermedia 'Blue Shadow'14May02
Gaillardia x grandiflora12Aug10
Galanthus nivalis (common snowdrop)15Mar20
Gardenia jasminoides (hardy gardenia)12Jul20
Geranium maculatum (wood's geranium)11May06
Geum chiloense 'Totally Tangerine'14May09
Ginkgo biloba13Aug09
Helianthus angustifolius (swamp sunflower)16Nov04
Hemerocallis x 'Happy Returns'15Jun19

Heptacodium miconioides (seven son flower)

14Oct24, 14Aug29

Heuchera villosa

11Sep09

Heuchera villosa 'Autumn Bride'

15Sep18

xHeucherella 'Tapestry'

15May 01

Helleborus x ballardiae Gold Collection Cinnamon Snow

Helleborus x hybridus Penny's Pink®
Helleborus orientalis
(Lenten rose)

13Mar22

17Mar17

12Mar16

Hibiscus syriacus Blue Satin®
Comment from landscaper on Aug 22)

Hibiscus syriacus
Hibiscus syriacus
'Helene'

14Aug08
14Aug22

11Oct14
16Sep16

Hydrangea paniculata Pinky Winky®
Hydrangea paniculata
'Quick Fire®
Hydrangea paniculata
Bobo
Hydrangea paniculata
Fire Light™
Hydrangea paniculata
Hydrangea paniculata
'Limelight'
Hydrangea paniculata
'Sweet Summer'

16Sep30
16Sep23

16Sep02

14Oct10

11Jul29
13Sep13
15Aug21

Iberis sempervirens (candytuft)13May10
Ilex sp. 'Cherry Bomb'14Oct30
Ilex 'Mary Nell'13Aug30
Ilex crenata (Japanese holly)14Jul03
Iris cristata (American dward crested iris)16May13
Iris germanica 'Summer Olympics'16Oct21
Ilex koehneana hybrids14Jun27
Ilex x meserveae11Apr22
Ilex opaca 'Maryland Dwarf'15Sep04
Iris ensata13Oct11
Itea virginica 'Henry's Garnet'15May29
Juniperus conferta 'Blue Pacific'13Oct04
Kerria japonica12Nov02

Lagerstroemia (crape myrtle)
Lagerstroemia 'Peppermint Lace'
Lagerstroemia x 'Ebony and Ivory'

11Jul22
13Aug23
16Sep09
Lamium macultaum 'Beacon Silver'12May11
Lavandula angustifolia12Jun08
Leucothoe fontanesiana 'Rainbow'15Oct16

Lobelia cardinalis (cardinal flower)

14Sep05

Maclura pomifera (osage orange): An interesting find

14Sep12

Magnolia 'Butterflies'
Magnolia x 'Royal Crown'

13Apr19
12Sep07

Magnolia soulangiana (saucer magnolia) - the Little Girl series

16Apr22

Magnolia virginiana (sweetbay magnolia)

15Jun05
Matteuccia struthiopteris (elegant ostrich fern)12Jul13
Metasequoia glyptostroboides (dawn redwood)

14Sep25,
11Jun17

Nandina domestica 'Seika' Obsession (TM)

15Oct09

Narcissus (daffodil) 'Tete a Tete'14Mar28
Nyssa sylvatica (black gum, black tupelo)16Oct28
Oenothera fruticosa (Southern sundrop)16Jun10
Opuntia compressa (prickly pear cactus)11Jun10
Ostrya virginiana (American hophornbeam)13Jul12
Oxydendrum arboretum (sourwood tree)15Oct01
Paeonia suffruticosa (tree peony)11May13
Parthenocissus quinquefolia (Virginia creeper)12Oct26
Passiflora incarnata11Sep16
Penstemon digitalis12Jun01
Phlox paniculata13Jul19
Phlox subulata13Apr05
Physocarpus opulifolium 'Mindia' or Coppertina™16May27
Picea omorika 'Berliner's Weeper'15Jul24
Pieris japonica (Japanese pieris) 'Valley Valentine'14Apr11
Pieris japonica (Japanese pieris) 'White Cascade'17Mar31
Pinus densiflora (Japanese red pine)16Aug12
11Sep23
Pinus flexilis 'Vanderwolf's Pyramid'15Oct23
Pinus leucodermis 'Irish Bell'16Oct07
Pinus strobus14Aug15
Plants for pollinators15Mar27
Platycodon grandiflorus (balloon flower)14Jun20
Polystichum acrostichoides (Christmas fern)12Jul27
Prunus x incamp 'Okame'
Prunus subhirtella
'Autumnalis' (autumn cherry)
13Mar29
11Apr01
Quercus palustris (pin oak)12Apr06
Quercus robur fastigiata15Jul17
Quercus robur 'Fastigiata' x Quercus bicolor - Kindred Spirit®17Mar24

Rhododendron (azalea)
Rhododendron 'Blue Baron'
Rhododendron 'Honey Butter'
Rhododendron 'Roseum Elegans'
Rhododendron 'Rabatz'

12Apr20
13Apr12
14Apr18
14May16
16May06

Rosa (rose)12Aug24
Rosa 'Meigalpio' (Red Drift® Rose)15Jun12
Rudbeckia hirta 'Irish Eyes'14Sep19
Rudbeckia hirta 'Cherry Brandy'15Jun26
Salvia nemorosa 'New Dimension Rose'14May30
Salvia nemorosa 'Violet Riot'15May08
Salvia nemorosa 'Snow Hill'15May22
Sassafras albidum11Oct28
Saururus cernuus (lizard's tail)16Jul29
Sedum 'Autumn Fire'
Sedum
'Vera Jamison'
13Sep27
13Sep20
Scabiosa columbaria (Pincushion) 'Blue Butterfly'12May25
Solidago 'Little Lemon'16Jul01
Solidago sphacelata 'Golden Fleece'13Oct18
Stewartia pseudocamellia11Jun24
Sympphyotrichum novi-belgii12Oct05
Syringa reticulata13Jun21
Tradescantia virginiana11Jul15
Vaccinium (blueberry)12May18
Vaccinium corybosum 'Bluecrop' Blueberry17Apr21
Verbena canadensis12Apr13
Vernonia noveboracensis (New York ironweed)15Aug07
Veronica austriaca 'Venice Blue'16May20
Viburnum (linden)12Aug31
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