Is it too late to fertilize trees, shrubs, and perennials?

I don't know why something so easy has fallen to the last minute, but the near-daily rain the last few weeks have not helped motivate me.

I am hoping there is still time to fertilize and that I have not missed the window since, technically, it is still spring and still very cool up here.

I am not sure what kind of helpful information I can provide other than the list of plants I want to fertilize:

GARDEN 1
5 Rhodies, 2 andromeda, 3 clethra, 2 viburnum, and 17 geraniums, planted spring 2008.

GARDENS 2 & 3
Perennials and one hydrangea, planted spring 2008 (some new perennials this year).

GARDENS 4 & 5
3 Leucothoes, 4 hydrangeas, 8 kalmia, 2 ilex, 1 enkianthus, and misc perennials (shrubs planted spring 2008).

GARDEN 6
1 buttefly bush (planted last summer), 2 'Blue Wave' hydrangeas (planted this spring), and misc perennials as groundcover.

GARDEN 7
Shade perennials and a hosta that I moved last fall.

TREES
1 Cornus florida, 1 hydrangea paniculata 'Grandiflora' (tree variety), planted in 2004 and 2005, respectively. And 1 Cercis canadensis 'Forest Pansy' that went in the ground this spring.

I feed the beds in early spring with flowertone then I use the liquid miracle grow about every two weeks during the season.

My hydrangea get hollytone and then miracle grow.

My roses get rosetone and then bayer systemic. Then miracle grow.

I am due to fertilize but with the rain it has been hard. I love the miracle grow liquifeed it is really great just to get the beds fed and watered at the same time. I use the powder miracle grow in the herb pots and planters.

I never feed more often than every two weeks

You can still fertilize now--the time you want to avoid fertilizing is later in the year when you could stimulate tender new growth that won't have time to harden up before frost hits. I would probably hold off on fertilizing things that are very newly planted--if you got them in the ground months ago then it's probably fine, but if you have things that were planted more recently then it's best to hold off on the fertilizer until they have a chance to get established a bit.

Thank you. I'll fertilize the next non-rainy day we have and look into a bit of Miracle Grow in a weak solution throughout. I won't fertilize anything I planted this season.

Out of curiosity, why does the Holly-tone bag recommend fertilizing half dose in the fall?

Because you don't want too much new growth in the fall before the plant goes dormant.

Oh, right, but I meant why fertilize in the fall at all?

To provide nutrients over the winter and in spring when the plant breaks dormacy.

Gotcha. Thanks.