Okay all you perennial mavens, I need help big time!
Last year was my first with gardening here at my father's house as I live in a condo. This was my first year overwintering perennials. Many that I thought were listed as "evergreen" are anything but green right now and I'm struggling to figure out if they're still alive.
I know this is too long and a jumble that I'm doing from list after many walk arounds on the property but I'm getting nervous as I'm sowing new seeds and/or getting some new plants to fill in what's probably dead.
Can you all give me some experienced info on how the following perennials should look about now and if they'll grow new leaves, throw up new stems, get new foliage on brown stems (don't think so), are probably goners or I just have to wait and see as spring progresses?
I didn't list plants I found info for on Floridata or other sources that told me what something would look like in Spring.
IF ANYONE HAS A BOOK ON PERENNIALS THAT WOULD PROVIDE ME WITH INFORMATION INCLUDING PARTICULARS ABOUT THE LIFE CYCLE AND SEASONAL CONDITIONS OF PLANTS AND HOW TO CARE FOR THEM COULD YOU IDENTIFY IT? I looked for the Sunset book for the northeast but couldn't find it online.
Then I wouldn't have to ask such a long list of questions!
(In no particular order)
Salvia Caradonna - brown stems no visible green foliage or new growth
Salvia Greggii Heatwave Flare - brown stems & leaves with very little visible green foliage on brown stems...listed as evergreen in catalogue when I bought them last fall...left in pots partially buried in garden with burlap over/leaf bags around for protection since read Greggii shouldn't be ground planted in Fall.
Huechera Violet Frost - most leaves crispy or mushy brown with some still purple colored...just clean up & wait for new foliage to emerge or do existing leaves perk up with added new growth?
Astilbe Fanal - a tangle of dried stems with some brown foliage...not yet showing any new growth from base...need to wait longer for new stems/foliage?
Stachys byzantia Silky Fleece - two still have some green foliage but third is all brown...plant at right time & wait to see if third throws some new green?
Digitalis Camelot - two still have some green on basal rosette but two others have none and feel like they're not very well anchored in soil when I give little tug...all planted right next to each other in back row!
Lychnis coronaria Rose - new biennial last year - two of four have pathetic mushy cream colored basal rosette leaves (assume goners)...two still have mostly green basal rosette leaves but I have to move them for more sun...read they don't like to be relocated but they won't get enough sun where they are...move or let them languish possibly without bloom in too much shade?
Nepeta Walkers Low - all 4 plants are tangle of light brown stems but I see new green growth underneath...just need spring trim of old foliage?
Echinacea Ruby Star - only 1 of 3 showing any new/old green leaves at base...2 that are all brown still feel like roots are anchored so just wait and see what appears?
Echinacea Fragrant Angel & Twilight - one has tall stems sturdily attached but no green growth showing as base and other has few stems barely holding on but roots don't give way with gentle tug...wait and see?
Lavender Hidcote - new last year without bloom - all 3 plants are mangy on lower half of stalks...if I "trim in spring to maintain shape" I'll be cutting off what looks to be only good part of stalks...same state on 12 Lavender Lady seedlings started from seed last year
Dianthus deltoides Zing Rose - 6 plants mostly tangled light brown stems/foliage...whatever little green foliage deer didn't dig at and eat is still visible lower on plants...shear or cut dead stems?...assume old stems don't "green up" again (duh)...these were winners last year blooming many months with careful OCD deadheading instead of shearing :)
Achillea millefolium Paprika - only crown showing but not wobbly with light tug...didn't get enough sun last year and need to move this year
Echinops Ritro blue - 4 new small plants last year with only basal foliage/no bloom... whatever remaining leaves groundhogs didn't eat are mixed brown & green...read they don't like to be disturbed (tap root) but need to move at least 2 into more sun for this year's anticipated bloom...hoping groundhog foliage decimation didn't deprive them of light/air they need for good growth.
Following all brown stems with nothing else showing:
Aster novae anglaie
Aster novae belgii
Eupatorium maculatum (huge joe pye weed)
Veronia noveboracensis (new york ironweed)
Liatris spicata (violet)
Not sure when to cut off old stems on all these things. Left stems on til now to avoid crown rot over winter but not sure when it's safe here in NJ zone 6 to do spring trim. Know I should wait to see new growth to trim but don't know which ones.
My "Month by Month Gardening in New Jersey" by Pegi Ballister-Howells says if pruning "dead growth" wasn't done in Fall to do it now before new growth starts but I'm not totally sure on a few if stems are really dead of just need time to recover from winter. (Lavender, Dianthus, Stachys & Salvia Greggii) I'll go around this week and cut off old obviously "dead as a doornail" stems.
I know this is a lot of "question" in one post but truly appreciate words of wisdom anyone would provide.
Thanks one and all for any advice/experience offered!
gardengal48 (PNW Z8/9)
hostaholic2 z 4, MN
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