23 
GENERAL LIST OF HARDY PERENNIAL PLANTS 
FOR HARDY GARDENS, HARDY BORDERS AND ROCK GARDENS 
The heights given in 
clude the flower spike. 
Send for our free pamphlet, Henderson Planting Plans for Perennial Borders. 
‘ Time of 
Variety Common Name Height Color Bloom Location Soil Uses 
Achillea Ptarmica, The Pear!...| Milfoil or Yarrow...... Peg uftrmal Whitey. woslcielere AllSummer../Sun............../Dry............|/Massing and Cutting 
Ajuga Reptans..........-..++--- Bugle BN 4in. May-June. ../Sun or Shade....../Any... +a+es+ee+|Rock Garden 
Alyssum Saxatile..... n onoonoucl| Galiia tiie cdocas A010 Bit. SAISpring ees sce SWio cv ooag oooogdac Well Diained.. ..|Border or Rockery 
Anchusa Italica ‘Dropmore)....|Alkanet.............. 4-5 ft. HVAINSummenss| Sumiccierckseetereyierncs Riche eerie Superb for Massing 
Anchusa Myosotidiflora Siberian Alkanet...... 2 ft. May-June...|/Sun or Shade Any .|Border or Rockery 
35c each, $3.50 doz..........-- Z : p 3 
Anemone Hupehensis Chinese Windflower.... 114-2 ft ATI ge-NOVaseia| SUMNER ernie Rich .|Border and Cutting 
35c each, $3.50 doz...........- ‘ : ; 
Anemone Japonica Alba.......|Wzndflower........... ee iey INNA 5 9 CG 00000 Sept—Nov.. .|Sun or Shade. ..|Moist 
Anemone Japonica Rubra...... Windflower..........+. 2-3 ft. |Red. _|Sept.-Nov.. ./Sun or Shade. A MICKSESc soo Bon Eu Ideal for Massing, Naturalizing 
Anemone Japonica Queen ; i t and Cutting 
Charlotte.......-...-. seeeees Windflower..........- Aves Wetton opoo0d0o Sept.-Nov. ../Sun or Shade... .. .|Moist 
Aquilegia American Hybrids. Columbine . 144-2 ft. |Assorted a Jiunelpnteieys 5 .jLight,........../Massing and Cutting 
Arabis Alpina..... Rock Cress . ¥% ft. |White...... .|April-May . .|Border or Rockery 
Armeria Maritima...........-.|Sca Pink............. YM tt Rose Pink All Summer. . ‘|Edging or Rockery 
Artemesia Silver King z é 
35c each, $3.50 doz......--..-+| Silver Sage Brush...... 2-3 ft. |Silver Foliage, ...|Sept.-Nov... .|Massing and Cutting 
Aubrieta Eyri. Pep ccleloisiotelenelel| inte PLePIR OCR) Gr.eSSiucie iets 4-6in. |Rosy Lilac....... April-June. Edging or Rockery 
Baptisia Australis.........--+- | False Indigo.......... Sifting Bluestein June-July... .}Part Shade. .|Border or Wild Garden 
Boltonia Latisquama...........| Thousand Flower Aster.. 3— Ofte a lightphinkie seer Sept.-Oct....}Sun. F Massing and Cutting 
mpanula Carpatica.... -| Carpathian Harebell.... 34 ft. |Blue June-Oct. ...|/Part Shade........ .|Edging or Rockery 
Soa Media. reich -|Canterbury Bell........ 2ft. |Assorted .|Early Sum...|Sun or Part Shade.. Massing and Cutting 
Carnation, Hardy Garden -| Double Carnation . 1ft. |Assorted .|All Summer. .}/Sun ..|Border and Cutting 
Cerastium Tomentosum, «| Snow in Summer. . 0 % ft. |White .|JJune-July....}Sun | _|Edging or Rockery 
Cheiranthus Allioni...........-| Siberian Wallflower.... 1ft. |Orange May-June...|Sun .|Border or Rockery 
Coreopsis Lanceolata...........| Tickseed.,........+.+- 2ft. |Yellow All Summer. ./Sun . .|Massing and Cutting 
Crucianella Stylosa............|Crosswort.........+5++ 6in. |Purple May-June. ..|/Sun or Part Shade. . ‘|Rock Garden 
hinium Formosum........| Hardy Larkspur...... - 24-3 ft. |Deep Blue...... .,AllSummer. ./Sun or Part Shade.. .| Border and Cutting 
Be erilun Simemsis.........-- Blue Butterfly........- 1% ft. |Deep Blue...... .|/All Summer. .|Sun or Part Shade... .|Border and Cutting 
inium Wrexham Hybrids 
Bee Patewernsscsudorso. Jon ss<.1| Seare Shaped Spikes....] 4-6 ft, [Assorted .......|Al1Summer .|Sun or Part Shade i Rotaee a eancae ae 
Dianthus Barbatus... «| Sweet William......... 1% ft. |Assorted........j/Summer.... .|Sun or Part Shade. . ‘ /Border and Bedding 
Dicentra Eximia... Plumy Bleeding Heart..| 8-12in. |Pink............ April to Fall ./Part Shade....... . .|Rock Garden 
Digitalis Gloxiniaflo JOTI 50 60000000000 | 3-5 ft. |Assorted......../Julv-Aug.. ../Sun....... .{Border and Massing 
Eupatorium Blue Mist Hardy Ageratum,...... Dies \PTSscotcooagade~ Auge-Octeyan| SUDMEr seer Border or Cutting 
Funkia Undulata, Variegated.. .| Vavzegated Day Lily... . DIG NN Sscghoeuccdcn Aug.-Sept....J]Sun or Shade..... . Edging and Massing 
aillardia Grandiflora..........| Blanket Flower........ U4ift | Orangelenanseci-: June-Noveaen| Suncare c Border and Cutting 
eatraeale Avdrewsi.. 6050\\(QAaIIBs os o000D0D0uOD 123 ft Decprb lucerne on | Uuly-Octierer|Suntenerire nice ce Moisteners Rock Garden 
Geum Mrs. Bradshaw.. pu cul| AEs aagpucoabouseoc 144 ft. |Bright Red...... June-Aug. .-/Sun............... Rich sere ener .|Border, Showy 
Gypsophila Bristol Fairy Double Baby's Breath... 2-3 ft. |White..........|July-Nov... .)Sun Well Drained. .. .|Border and Cutting 
50c each, $5.00 doz..... oes ; i : 
Gypsophila Paniculata. ........| Baby's Breath......... = Si Com Wihiterenbe aioe) AUs-Sent a1 Sunurese ayes .|Well Drained. . .|Massing and Cutting 
Helenium Gartensonne........] Helen Flower.......... 3—45ft: | |\Wellows. 3)... Aug.-Oct SNcsuoosdanacounge Border 
Helenium Superbum Rubrum..| Helen Flower ..... 5-6 ft. |Terra-cotta...... Aug.-Sept...-!Sun.............-- . .|Background 
Helianthus Multiflorus.........| Double Sunflower 4ft. |Vellow.......... Aug.-Oct....|Sun.......... .|Massing and Naturalizing 
Hemerocallis Flava............| Lemon Lily...........- 2h trp eemoneer csi Summer...../Sun or Shade...... Borders and Waterside 
Hepatica Triloba..............| Liverwort,....+.-+++-- Gin. |Lavender Blue. ..J|March-April |Shade............. Rock Garden Seine 
Heuchera Sanguinea...........|Coral Bells........-+.- 1-14% ft. |Crimson........ June-Sept....|Sun..............- Border, Rockery & Cutting 
Hollyhock, Double: barple, wibite: 
Imon ellow, ire an 
SaISE Bonsooneee cil ca een Hardy Double. .......¢ 6ft. |Separate.... July-Aug SuMbrtstepyserete tree Any........... .|Clumps and Background 
iberis Sempervirens............| Hardy Candytuft. . 3Z—1 ft. |White.....:....- Spring... .../Sun Edging or Rockery 
Incarvillea Delavayi.. eee -| Trumpet Flower... 114 ft. |Rose Pink. . Summer..... Part Shade .|Border or Rockery 
Iris Siberica......ccccccseces-+- | Siberian Iris.......... 2144-3 ft. |True Blue....... May-June Sun Border or Waterside 
Lavendula Vera. ...........-..-| English Sweet Lavender . 1% ft. |Lavender Blue. ..|July-Aug.. .-|Sun i .|Border and Cutting 
Liatris Pycnostachya. Gay Feather ..........+ Axfitiwes| DUnDlelnerenieriis Summeneiyi4| Sune pene ieo mile ATV patetactoetere wuciaite Border and Cutting 
Lobelia Cardinalis .. Cardinal Flower . 2-3tt. |Scarlet..... _|Aug.-Sept.... i _ .|Border and Waterside 
Lupinus Polyphyllus...........|Lupine.........-..--. 2-3 {t. |Assorted. June-July.... I | |Border _ 
Lychnis Chalcedonica...... Campion. ...e.ceeeces Sift |Scatletueeen ene Summer..... Sanese a elrarh. Light.... .|Border, Showy 
Lychnis Haageama.........--.+]..-.2 50-202 ee sees 1ft. |Scarlet Crimson. .|Jume-Aug...-.)Sun or Part Shade..JAny........... .}Border or Rockery 
Mertensia Virginica... .. Virginian Blue Bells...) 1-144 ft. |Blue to Pink.... .|Spring......jPart Shade. .|Moist . . ..|Border and Rockery 
Monarda Didyma....... Oswego Tea.. 9.00.0 9-8 ft. |Scarlet... doa Mo Wy can| elelooanonad ANyeat: _ _| Border oes chee 
Myosotis Palustris............. Forget-me-nol.........- Vs (ino Nite on cousHosen Spring......|Part Shade. ....... Moist _|Border, Naturalizing, Cutting 
Nepeta Mussini...............|Gvound Ivy or Catmint.} 1-1% ft. |Lavender........ Tony 2 Ante nl Stioancoocodsnode IN noboouod .|Border or Rockery 
Papaver Orientale..............|Ovienta! Poppy........ 3 ft. |Crimson Scarlet..]Summer..... Sun Richman .|Border and Cutting 
Papaver O. Mrs. Perry : ‘ : 5 
35c each: $3.50 per doz.........| Pink Oriental Poppy... Bift4|Salmoneesnne sae Summers |SUl eee ieriiei: Richest Border and Cutting 
Phlox Divaricata Canadensis...|Canadian Phlox....... it, |Light Bluel\.. 05. :|May 0... 52 C .|Edging and Rockery _ ‘ 
| Phlox Subulata................| Moss Pink..... Wy ft. |Purplish Pink... .|Spring...... Edging, Rockery and Grd. Cover 
Phlox Subulata Alba. .| Moss Pink.... ly ft. |White... -|Spring... Any 2) 5. . .|Edging, Rockery and Grd. Cover 
Physostegia Virginica .| False Dragon Head. 2-3 ft Rinker July-Aug .|Moist . _| Border ; 
Physostegia Vivid. ............. False Dragon Head. -| 114-2 ft Tuly-Aug Moist . Border and Cutting 
Platycodon Grandiflora........ Balloon Flower........ 1% ft June-Oct Rich .. .|Border and Cutting 
Plumbago Larpentae...........| Leadwort..............| 4—-% ft July-Oct..... Any.. .|Border and Rockery 
Pyrethrum Hybridum.......... Painted Daisy.........- 1% ft Summer Any........... .|Border and Cutting 
Rudbeckia Golden Glow....... Golden Glow..........++ 6 ft. July-Oct.... _|Border Background 
Rudbeckia Purpurea. .......... Cone Flower........... 3 ft. July-Oct..... Border and Cutting 
Salvia Pitcherii. .............. Aug.-Sept.... .|Border 
Saponaria 
Oycymoides Splendens 
Scabiosa Caucasica... 
Sedum Spectabilis.......... .| Brilliant Stone Crop le ft 
Shasta Daisy...... opoo0D000 Largest Type........-- 2-2 ft 
Stokesia Cyanea............... Cornflower Aster....... 1% ft 
Tritoma Pfitzerii 
35c each, $3.50 per doz......... 
Valeriana Officimalis........... 
Veronica Spicata... 
Veronica Subsessil 
Torch Lily... 
Garden Heliotrope...... 3-4 ft 
Speed wellecteterteels 3 ft. 
Sipeedwell .... 1%. 00 «e 2 ft. 
Tufted Pansy.........- Vy tt 
214-3 ft. 
May-Aug.... 
.|June-Sept. 
July-Nov.. 
All Summer. . 
June-Oct.... 
Orange-Scarlet .. .|Aug.-Nov...... 
Blush White.... .JJune-July.... 
BIE Rardin: Auguste 
Blivesmreteceieeree July-Sept.... 
Wioletereeieiicteas All Summer. . 
Sun 
Sun or Part Shade. « |] 
. .|}Rock Garden 
. .|Border and Cutting 
.|Border and Rockery 
.|/Border and Cutting 
Border and Cutting 
.|Edging or Border 
Border, Fragrant 
.|Border Background 
.|Border and Cutting 
Edging, Very Fine 
Price for above, except where specially noted, 25c each; $2.50 per dozen; $20.00 per 100, buyer’s selection. Special offer our 
selection of varieties (of which we have a surplus) to be made when order is being filled, $2.00 per dozen; $16.00 per 100. 
Purchaser pays transportation charges on plants. See notice top of page 22. 
Send for free leaflet, The Rock Garden. 
