Easy methods to Divide and Transplant Perennial Phlox: A Step-by-Step Information


At present we’ll speak about tips on how to divide perennial phlox also referred to as phlox paniculata, backyard phlox, tall phlox, and for people who don’t know any higher, flocks flowers.

Perennial phlox, with its vibrant clusters of flowers and easy-going nature, is a beloved addition to many gardens, particularly cottage gardens.

Over time, perennial phlox can change into crowded, resulting in fewer flowers and general well being.

pink phlox paniculata in garden bed with wattle edging
Phlox paniculata (Backyard phlox) in bloom

Dividing and transplanting your perennial phlox is a straightforward however vital job that may rejuvenate your backyard and make sure the continued vitality of those lovely blooms. 

Develop Attractive Phlox!

Listed below are some nice ideas for planting tall Phlox (pronounced Flocks) that can aid you get essentially the most out of this pretty plant.

One other benefit is the brand new divisions flip into new crops so as to add to different places of your backyard at no cost.

Listed below are seven steps to information you thru the method:

Desk of Contents

  • When to Transplant Phlox
  • Instruments for the Job
  • The place to plant Phlox divisions
  • How Greatest to Dig up
  • Easy methods to Divide your Phlox crops
  • Replanting
  • Upkeep
  • Professional ideas for fulfillment
purple phlox with swallowtail butterfly resting on it

Timing Issues

If you divide perennial crops the perfect time can differ. Backyard phlox may be divided and transplanted in late summer time to early fall or Spring throughout cooler climate.

The perfect time relies upon upon your native circumstances. It’s best to make divisions 6 weeks earlier than the bottom freezes. You need the crops to develop new roots earlier than it will get too chilly. 

If you divide perennials within the fall it’s a good suggestion to chop again the plant to about 6 inches to make it simpler. 

Instruments for the Job

Equip your self with the next instruments:

  • Shovel or spade
  • Backyard fork (optionally available)
  • Pruning shears
  • Watering can or hose
  • Compost (if vital)
  • Mulch

The place Greatest to Plant New Divisions

If you would like vigorous crops, select a brand new location with well-draining soil and keen on full daylight. Add natural matter like compost or well-rotted manure to create unfastened soil if wanted. 

Additionally take into account these crops do like most soil and plant with crops with comparable likes, although I’m a insurgent and plant simply wherever I would like.

Easy methods to Dig Up Phlox Vegetation

Start digging across the base of the phlox, exterior of the foundation zone, with a pointy spade. This may very well be a number of inches away from the primary stems or it may very well be additional.

Some like to make use of a backyard fork to loosen the soil and roots, gently lifting the plant as you’re employed your method round. I additionally do that with my shovel.

Or you possibly can slice down right into a portion of the mom plant base, I select a 4-inch part as a normal rule, and take away simply that part.

root slayer shovel sinking into the soil in between phlox stems to divide plant

Outdated crops will do effective with this methodology and you are able to do the identical with most herbaceous perennials.  (see the video on the finish of this submit the place I present you ways this may be achieved)

Dividing the Root Mass

Separate the foundation ball into sections, every with wholesome roots and a number of shoots or stems.

Trim any broken or unhealthy elements with pruning shears. (in spring will probably be shoots rising from the bottom and in fall will probably be stems)

Generally I begin on the middle of the plant, dig up a big portion then divide into smaller sections.

Replanting Phlox Divisions

Place the divided sections on the identical soil stage as their earlier planting.

That means the place the foundation meets the plant base ought to be stage with the encompassing soil.

Fill the opening with soil, gently firming it across the roots.

Water in totally, this not solely hydrates the plant and divisions but in addition helps settle the soil.

Giving them a 30 minute soak in Natural REV will go far in mitigating transplant shock and get them off to their finest begin.


Preserve constant watering, particularly in dry spells. That is particularly vital as the brand new divisions get established.

Apply natural mulch on the soil floor across the base of the crops, preserving it 2-3 inches away from the stems to retain moisture and suppress weeds.

If dividing in fall it’s best to see new shoots in late Spring to early summer time. 

purple plox in garden

Professional Suggestions for Success

Monitor and Water as Wanted:

Preserve a vigilant eye on transplants, making certain they obtain common moisture with out waterlogging the soil.

In fall be certain that it stays hydrated in case you don’t get rain quickly. Or when you’ve got a dry spell in winter. My backyard is roofed in snow in winter so it is a non-issue.


I depend on the compost as a slow-release feed and don’t trouble with starter fertilizers or the rest added at planting time.

In the event you really feel you want to fertilize then I like to recommend both of those two merchandise (they’re what I exploit):

Agrothrive Basic Function (affiliate hyperlink)

Natural REV Liquid Fertility (affiliate hyperlink)

Deadhead for Optimum Development

Take away light flowers to encourage new development and delay the blooming interval. When eradicating the fading flowers in the reduction of to a brand new set of buds which can be evident sometimes a bit decrease down the stem.

Defend from Excessive Climate

In sizzling climate, supply momentary shade utilizing backyard material or light-weight material. That is optionally available.

I don’t often have to do that however I dwell in a gentle summer time local weather. When you have excessive warmth then preserving the soil moist and offering a little bit of shade both from neighboring crops that can present dappled shade through the sizzling afternoons or with backyard material will assist hold the blooms from getting scorched and last more.

In conclusion:

Tall phlox are one among my favourite fall-blooming crops and since they bloom later I particularly love them planted in areas which have lots of early spring bloomers because it extends the colourful season of the perennial backyard!

With one dad or mum plant, you possibly can find yourself with various crops to take pleasure in.

Now that you understand how to divide perennial phlox, you can’t solely revitalize your lovely backyard phlox but in addition prolong your wholesome, thriving backyard for no value.

Are your backyard beds crammed to the brim and you find yourself with extra crops? Reward some to pals. 

Need to study phlox subulata, learn right here.  Completely satisfied gardening!

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