Hardy Species Survey Responses

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Hardy Species Survey Responses - A-C

***Rhododendron canadense***
Picture by S & J Perkins

Species	Type	Greer	Others	Group	Grower	Zone	Years	Still	Flowered?	Healthy?	Comment
		°F	°F	Rating			Owned	Owned?

adenogynum	Elepidote	-15		B	Brooks	5B	3	Y	N	Y
					Perkins	5B	9	Y	Y	Y	Perkins' Rating: B. P4M plant is a great form.
					Wrightington	6A	9	Y	N	Y
					Huie	7A	9	Y	Y	Y	Excellent foliage, nice trusses, recommended.

adenopodum	Elepidote	-10	-10	A	Gamlin	5A	12	Y	Y	Y
					Brooks	5B	6	Y	Y	Y
					Clark	5B	14	Y	Y	Y
					Perkins	5B	4	Y	N	Y	3 cultivars Perkins' Rating: C
					Wrightington	6A	15	Y	Y	Y
					Huie	7A	9

aganniphum	Elepidote	0	-5	C	Perkins	5B	4	Y	N	Y	Perkins' Rating: C

alabamense	Deciduous AZ	-5	0	C	Perkins	5B	5	Y	N	N	Not Plant Hardy Perkins' Rating: D
					Huie	7A	9

albiflorum	Other	-25		D	Perkins	5B	2	N	N	N	Hates heat but flourished for 1 full year Perkins' Rating: D

albrechtii	Deciduous AZ	-15		B	Brooks	5B	11	Y	Y	Y	First rate plant.
					Clark	5B	8	Y	N	Y
					Steele	6A	32	Y	Y
					Huie	7A	15

amagianum	Evergreen AZ	-5	0	C	Clark	5B	6	Y	N	Y

ambiguum	Lepidote	-5	-10	C	Wrightington	6A	5	Y	N	N

anthopogon	Lepidote	-5	-5	D	Brooks	5B		N

anwheiense	Elepidote	-10	-10	B	Brooks	5B	8	Y	Y	Y	Looks like a winner for New England climate.
					Jessen	5B	20	Y	Y		done very well in 5b
					Perkins	5B	9	Y	N	Y	Perkins' Rating: A
					Taylor	5B	18	Y	Y		some major stem dieback. leggy in oak woods; partial shade; good leaf color;
					Wilkins	5B	20	Y	Y		partial flowering after record cold on 1994-fantastic plant
					de Burlo	6A	3	Y	N	Y
					Wrightington	6A	7	Y	N	Y
					Coleman	6B	3	Y	N	Y
					Huie	7A	10

arborescens	Deciduous AZ	-10	-20	A	Gamlin	5A	7	Y	Y	Y
					Brooks	5B	27	Y	Y	Y
					Carlhian	5B	20	Y	Y	Y
					Clark	5B	12	Y	Y	Y
					Mezitt	5B	50	Y	Y	Y
					Perkins	5B	11	Y	Y	Y	7 cultivars Perkins' Rating: A
					de Burlo	6A	10	Y	N	Y
					Magoun	6A	5	Y	N	Y
					Wrightington	6A	14	Y	Y	Y
					Huie	7A	11

argyrophyllum	Elepidote	0	-5	C	Wrightington	6A	12	Y	N	Y	'Chinese Silver'

atlanticum	Deciduous AZ	-15	-10	A	Gamlin	5A	15	Y	Y	Y
					Mezitt	5B	10	N	Y	N
					Brako	5B	3	Y	Y
					Brooks	5B	14	Y	Y	Y	Can experience dieback.
					Bruso	5B	4	Y	N	Y	From seed. Is hardy but slow growing compared to other deciduous AZaleas.
					Clark	5B	13	Y	Y	Y	Choptank River (13 yrs) and second one (11 yrs)
					Perkins	5B	11	Y	Y	N	Not Plant Hardy Perkins' Rating: D
					Redfield	5B	10	Y	Y		withstood -20°- always blooms
					Taylor	5B	25	Y	Y		semishade- always flowers
					Donovan	6A	15	N	Y		lost in move
					Hibben	6A	5	Y	Y
					Wrightington	6A	12	Y	Y	Y
					Sheridan	6B	10	Y	Y		excellent doer- not exciting
					Huie	7A	6
					Hill	7A	38	Y	Y		the best- (6-8' x 20') wild seedling

augustinii	Lepidote	-5	-10	D	Blanchette	5A	2	N	N
					Mezitt	5B	5	N	N	N
					de Burlo	6A	12	Y	N	Y
					Huie	7A	11				ssp augustinii

aureum	Elepidote	-15		B	Brooks	5B	7	Y	Y	N
					Perkins	5B	9	Y	N	Y	3 plants Perkins' Rating: B. Doesn't always thrive.
					Wrightington	6A	10	Y	N	Y
					Coleman	6B	8	Y	N	Y

auriculatum	Elepidote	-5	-5	C	Coleman	6B	4	Y	Y	Y	Very healthy.
					Huie	7A	8

austrinum	Deciduous AZ	-15	-5	C	Brooks	5B	7	Y	Y	N	Often does poorly.
					Bruso	5B	4	Y	N	Y
					Perkins	5B	5	Y	N	N	Not Plant Hardy Perkins' Rating: D
					de Burlo	6A	10	Y	Y	Y
					Huie	7A	9

balfourianum	Elepidote	0	-10	C	Brooks	5B	6	Y	N	Y
					Huie	7A	5

brachycarpum	Elepidote	-10	-20	A	Birkrem	4B	10	Y	Y
					Sawicki	5A	20	Y	Y		slow blooming
					Bensley	5B	2	Y	N	Y	ssp brachycarpum tigerstedtii group
					Brooks	5B	13	Y	N	Y	Tough plant, very hardy.
					Clark	5B	12	Y	Y	Y	ssp. brachycarpum (12 yrs) and ssp. fauriei (8 yrs)
					Perkins	5B	10	Y	Y	Y	2 cultivars Perkins' Rating: A
					DeBruyn	6A	7	Y	N
					Hibben	6A	5	Y	N		From seed
					Wrightington	6A	11	Y	Y	Y	Typical species as well as fauriei. fauriei hasn't bloomed in 10 yrs.
					Coleman	6B	6	Y	N	Y
					Huie	7A	14				ssp fauriei, tigerstedtii & brachycarpum
					Hill	7A	20	Y,N	Y,Y		brachycarpum, see letter. faurei died at graft.

bureavii	Elepidote	-10	-10	B	Bruso	5B	4	Y	N	Y	Form ovate-twist. Beautiful foliage. Does well on north side of house.
					Clark	5B	8	Y	N	Y	Lem's form
					Perkins	5B	9	Y	Y	Y	Perkins' Rating: B
					Forrest	6B	2	Y	N	Y
					Hill	7A	5	Y	N	N	Not hardy at Polly Hill Arboretum

bureavioides	Elepidote	-10	-10	B	Gamlin	5A	5	Y	N	Y
					Bensley	5B	6	Y	N	Y
					Brooks	5B	4	Y	N	Y	Can be tricky to grow. Needs shade.
					Perkins	5B	6	Y	N	Y	Perkins' Rating: C
					Wrightington	6A	12	Y	Y	Y
					Forrest	6B	2	Y	N	Y
					Huie	7A	14

calendulaceum	Deciduous AZ	-25	-15	A	Gamlin	5A	15	Y	Y	Y
					Mezitt	5B	20	N	Y	Y
					Bensley	5B	10	Y	Y	Y
					Brooks	5B	18	Y	Y	Y
					Bruso	5B	6	Y	Y	Y	From seed. High mortality in first few years. Survivors doing well.
					Clark	5B	12	Y	Y	Y
					Perkins	5B	5	Y	Y	Y	Perkins' Rating: A
					Magoun	6A	30	Y	Y	Y
					Wood	6A	4	Y	Y	Y
					Wrightington	6A	14	Y	Y	Y
					Huie	7A	7

callimorphum	Elepidote	-5		C	Huie	7A	5				var callimorphum

calophytum	Elepidote	-15	-10	C	Perkins	5B	4	Y	N	Y	Perkins' Rating: C
					Huie	7A	4

calostrotum	Lepidote	-5	-5	D	Gamlin	5A	4	Y	N	Y
					Brooks	5B	2	N	N	N	Also, var keleticum, which also died.
					Perkins	5B	4	Y	N	N	Not Heat Tolerant Never flourished. Perkins' Rating: D
					Wrightington	6A		N	Y	Y

campanulatum	Elepidote	-5	-10	B	Gamlin	5A	12	Y	N	Y
					Perkins	5B	4	Y	N	Y	Perkins' Rating: C
					Wrightington	6A	10	Y	N	Y	Flower buds blasted.
					Coleman	6B	3	Y	N	Y
					Huie	7A	11				ssp aeruginosum, 4 plants

campylogynum	Lepidote	-10	-5	C	Brooks	5B	2	Y	N	Y

camtschaticum	Other	-25		D	Brooks	5B		N
					Perkins	5B	6	Y	N	Y	Perkins' Rating: B

canadense	Deciduous AZ	-25	-35	B	Blanchette	5A	10	Y	Y	Y
					Clark	5B	17	N	Y		choked out
					Bensley	5B	7	Y	Y		I have lost many over the years. One is still alive.
					Bruso	5B	5	Y	Y	Y	Needs moist, but not soggy conditions. Does very well if given right amount of moisture.
					Perkins	5B	9	Y	Y	Y	2 cultivars Perkins' Rating: B
					de Burlo	6A	14	Y	N	Y

canescens	Deciduous AZ	-5	0	D	Gamlin	5A	2	Y	N	Y
					Perkins	5B	12	Y	N	Y	Perkins' Rating: B
					de Burlo	6A	12	Y	N	N

catawbiense	Elepidote	-25		A	Blanchette	5A	20	Y	Y	Y
					Bensley	5B	29	Y	Y	Y	May be cultivars
					Carlhian	5B	45	Y	Y	Y
					Perkins	5B	6	Y	N	Y	Perkins' Rating: B

caucasicum	Elepidote	-5	-10	C	Perkins	5B	8	Y	N	Y	Perkins' Rating: B
					Wrightington	6A	7	Y	N	Y

cinnabarinum	Lepidote	5	0	C	Huie	7A	3

clementinae	Elepidote	-5	-10	C	Brooks	5B	2	N		N

concinnum	Lepidote	-5	-5	C	Gamlin	5A	7	Y	N	Y
					Huie	7A	11				3 plants.

cumberlandense	Deciduous AZ	-15	-5	A	Gamlin	5A	7	Y	Y	Y
					Parks	5A	9	Y	Y		bloom after -23°
					Andrews	5B	10	Y	Y		Camp's Red- a favorite
					Brooks	5B	14	Y	Y	Y	bakeri
					Clark	5B	9	Y	Y	Y
					Mezitt	5B	25	Y	Y	Y
					Perkins	5B	11	Y	Y	Y	2 cultivars Perkins' Rating: A
					Silverman	6A	2	Y	N
					Smith	6A	5	Y	N
					Wrightington	6A	10	Y	Y	Y
					Huie	7A					Several plants.
					Hill	7A	28	Y	Y		difficult to root

cuneatum	Lepidote	-10	-5	C	Perkins	5B	4	Y	N	Y	Perkins' Rating: C
					Huie	7A	9