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Saturday Mar 16th, 23rd, 30th  9 - 5
Sundays 11 - 5

Here are just a few of our current specials.
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Complete kit for starting seeds.
Includes flat, insert, dome, heating mat and root booster.
Reg. 35.99


Control overwintering disease spores and insects on many plants.
Apply before plants bud into leaf.
Complete kit includes lime sulphur and dormant oil.



New styles - easy to grow!
Entire stock now

20% OFF

100% Cypress Mulch

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Questions & Answers

See our answer here.

We can deliver plants across Waterloo Region, Guelph, South Wellington County, Puslinch and environs only.
We do not ship plants into the GTA, the US or across Canada.

See our video here for the proper way.

See our video here for the proper way.

See our video here for tips on how.

Yes! - but only by
loose soil delivery.
See our Current Specials
in spring for more details.

Other than Nincompoop - we do not.
There are three excellent
reasons for using a
bagged wood mulch instead.
here for the reasons.


See our Plant Galleries.


Yes! See our FAQ page.

See our FAQ page.

Because we take the time to check on the crop in the field.  See here for a 'behind the scenes' look.

Permaloc Edging
Your Ontario Source for Permaloc Edging
'The World's Best Landscape Edging'

NEW! GeoEdge Green Roof Edging Now Available
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Stop In and Let Them See
The Finest Outdoor Wooden Play System
Rainbow Play Systems offers the highest quality, safest, and most enjoyable wooden swing sets experience for your child. Superior wooden swing sets with over 100 designs and countless customization options.

For other inquiries, contact us for more information

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See us today for quality Kichler brand low-voltage landscape lighting.
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 The Accent Is On Grow - Grobe's Blog  

The world of plants, gardening, horticulture and outdoor living as we experience it here at Grobe's is often filled with many interesting, offbeat, factual and beautiful things that we would like to share with you!  However, don't be surprised to find a few things unrelated to plants that piqued our interest posted here too.

Sunday, August 03 2014
Return of the Bonking Beetles...

There has been much ado and inquiries regarding the use of common milkweed in local landscapes to help to support the migration of Monarch butterflies.  As it is still deemed a noxious weed in Ontario, there isn't much chance that this plant will be available as a propagated species in the immediate future, as it can be a plant that will cause neighbourhood dissension rather than cohesion.

And speaking of cohesion, a recent jaunt near the garden centre found this little patch of milkweed along Greenhouse Road serving another purpose for these soldier beetles (which are sometimes also known as 'bonking beetles' ) as a firm foundation for their procreation.

Maybe David Suzuki forgot to mention this particular positive property enhancement?

Posted by: Perry Grobe AT 02:15 pm   |  Permalink   |  0 Comments  |  Email
Tuesday, June 24 2014
Not All Roses Are Hard To Grow...

Roses offer some of the most beautiful and longest lasting flower shows in the garden, with repeated (recurring) blossoms continuing to appear on the plants until well into the late fall.

While there is a confusing array of names to describe them (Grandiflora, Teas, Shrubs, etc.) there really is only two types to remember: Roses that require winter protection, and those that don't.

Now, those that do are STILL popular despite the additional work they entail largely because they generally produce the largest and most fragrant of blossoms. Their blossoms are what you are likely to receive when you buy roses from the florist. While not quite a bud rose, the Abraham Darby Austin English shrub rose (shown above) has a scent that is just heavenly!

Those that 'don't' can be used in the garden just like any other flowering shrub. If you would think to use a Weigela, you most likely could also use a shrub rose, as their requirements are very similar. They like as much sun as possible, on well-drained locations, and like the 'Queen' of the garden that they are... they like the best of everything (rich soil, ample moisture, regular feeding). 

Coral Drift Rose

Over the last number of years great strides have been made in plant breeding to try to alleviate the most common scourge of roses grown in humid conditions like Southern Ontario - black spot and mildew diseases. Whether it is from Proven Winners, Drift, Knockout, Flower Carpet, Vigorosa or Easy Elegance.. all offer resistance unlike anything seen previously. Additionally, there is a tremendous variety of sizes, colours and combinations that can be made with them too.

Sweet Fragrance Easy Elegance Rose

Roses like those shown here are mostly grown on their own root. This means that they are exceptionally winter hardy and do not require any unusual care to maintain them looking great from year to year.

High Voltage Rose
High Voltage Easy Elegance Rose

But what about insects?  Yes.. it's true that these beauties can attract their admirers from the insect world too. Aphids, caterpillars, and even Japanese Beetle (although not that common yet in the K-W area) have been known to munch on leaves or suck on the buds. For most of these issues there exist control measures (in various degrees of strength of purpose) that can be used if necessary.  If this isn't your nature, then roses in the long run might not be your cup of tea (although it should be noted that many of these pests affect other garden plants outside of roses too).

Shrub Rose Collection

No matter what, a walk through the heady blossoms shown is a great way to spend a sunny summer outing.

Posted by: Perry Grobe AT 10:45 am   |  Permalink   |  0 Comments  |  Email
Friday, June 06 2014
Lovely Late Spring Perennials In Bloom

With the lovely weather it's been hard to avoid all of the lovely things coming into bloom. These pictures were taken at random from just our perennial section, and how could you not feel the beauty of spring with these flowers to enliven it?

Perennials may not be the 'colour solution' for every problem - in fact there are those who think that they might be less work than annual flowers like petunias or other annual flowers. This is not necessarily so. While it's true that they do come back every year, as perennials mature they often require deadheading, staking, dividing and perhaps even thinning in order for them to retain their vigour and show. Additionally, it's important to remember that perennials often have their 'debutante' time (where they look stunning for a period) as their non-showy times might not be so nice to enjoy.  With this in mind it's often a good idea to incorporate annuals, shrubs with interesting foliage or colour, and even the odd dwarf evergreen so that they can 'carry the load' between the perennials you love.


Peonies in bloom as in the header


Just breaking into glory...

Bearded Tongue

Bearded Tongue

Lovely Lilies

Lovely Lilies


PW Iberis Variety

Super Salvia

Dazzling Dianthus

Dazzling Dianthus

Posted by: Perry Grobe AT 08:35 am   |  Permalink   |  0 Comments  |  Email
Thursday, May 22 2014
Clinging Clematis

Clematis are lovely clinging vines that product loads of beautiful flowers in the summer as well as into the fall.

Here are just a few points to know about them:

1) They like to have their 'faces in the sun and their feet in the shade'. A sunny location works best, but mulching or placing a perennial or other plant to shade their base is a good idea.

2) They generally prefer an alkaline soil - so a little bit of lime or Parkwood 'Make It Pink' is a good soil amendment.

Additionally, they need something to wrap themselves around to hoist themselves up. A trellis or arbour is best for the purpose.

3) There are several 'classes' of clematis that determine the type of growing they do and how they are pruned. This can be very confusing for beginners, so we ensure that every plant has the pruning instructions for it on the plant label.

Alameda Homestead Nursery of Australia has excelllent pictures and descriptions of what to do when pruning your clematis - and the link to see that is here.


4) Clematis don't really like areas where the soil doesn't percolate away from the root system quickly. Be cautious when planting in a raised bed in heavy soil conditions not to water too heavily, as they can rot if they stay wet too long.

Clematis are wonderful flowering plants with a range of colour and blossom choices to pick from - and will help to give you lots of colour in your garden.

Posted by: Perry Grobe AT 02:40 pm   |  Permalink   |  0 Comments  |  Email
Friday, May 16 2014
Blossoms Ahead Of Victoria Day

Spring has sprung.. and the Victoria Day Long Weekend is right around the corner.

Today is a pretty cool morning, and it gives one pause as to whether to plant your tender annuals, vegetable plants, and the like. It's a bit early for many things like peppers, tomatoes, basil, impatiens and such... but there are still folks who 'chance it' because they of the fact that it's a holiday, rather than prudent, for planting these things.  The official last frost free day is usually May 24th, and we are still a goodly distance away from that yet still.

There are lots of beautiful plants blooming right now, and when folks wonder how everyone here can work such long hours .. well - there are lots of beautiful perks here to see to help keep us motivated. Of course, the gallons of coffee we consume also helps.

The picture at top is of Daybreak Magnolia - and the fragrance is quite something too. This one last tree is just stunning...

Pink Elf Hydrangea

This dwarf growing (18" tall) Pink Elf hydrangea usually blooms later in the summer, but this crop was looking so good we had to show it off.

Double Bridal Wreath Spirea

This is a somewhat unusual plant called Double Bridal Wreath Spirea. In fact it was the 'true' bridal wreath spirea originally (as it is easy to see that the flowers here would make for a stunning bouquet for a pioneer bride) but this name was later 'stolen' by Spirea Van Houttei' (which is now what is commonly known as Bridalwreath Spirea.  Each blossom on this 'Double' variety is almost like a very large Babys Breath blossom.

Snow Day Surprise

These are the blossoms on Snow Day Surprise Pearl Bush. Pearl bushes are not that new (they get their name from the shape and colour of the blossoms before they open, which you can see in the picture) but this one from the Proven Winners breeders is noted for a more compact habit, larger blooms, and less 'rangy' growth. This plant blooms in early spring.

Orange Pansy

The latest trend in pansies is 'frilly', and these scented beauties also come in 'Grobe Orange'.

Golden Full Moon Maple

Finally, the last of our Japanese maple varieties have arrived, including the stunning gold leaves on this Full Moon Japanese Maple. This tree grows painfully slowly, and to see it in such a display is truly amazing.

Posted by: Perry Grobe AT 08:49 am   |  Permalink   |  0 Comments  |  Email
Thursday, May 08 2014
Back in time...

Have you ever walked by something and had a remembrance of things of your youth?

This display of Thrills gum certainly did... we all remember the 'unique' taste and the colour it turned our teeth.

Talk about honesty in advertising... it says right on the package - 'It still tastes like soap'.

Or how about this one? What a treat it was to get this when we were young.. and of course the pink hands, teeth etc.

There was even Chiclet gum in the original size we remember.

All of this was seen at our friends the Doede's store - Ayres Baking and Nut Supplies - on a recent stop.  We are grateful to them for being one of our Keytag Partners and for helping our Preferred Gardener customers enjoy turning the fruits of their labours into something special... and of course for this litte sidetrip down memory lane.

Posted by: Perry Grobe AT 01:33 pm   |  Permalink   |  0 Comments  |  Email
Friday, May 02 2014
Hurry Up and Wait..!

The long and bitterly cold winter has morphed into a colder and wetter spring, and of course everyone is anxious to get out to enjoy the yard.

It's important to note, however, that some things really should not be done just yet (even if you might have done it at the same time every other year).

Once the ground is walkable/workable here are some things that can be tackled:

1) Rake the lawn and feed the lawn - for with rain and food your lawn has a chance to 'grow out' any winter injury.

2) Plant any veggies that don't mind cool soil conditions like lettuce, peas, broccoli, kale, cabbages and the like.

3) Amend any areas you are planting with organic matter (like compost, peat, or coir) so that you are ready to plant.

4) If you had a lawn grub issue, it is possible to apply nematodes once the soil temperature is just a bit warmer. While not as effective as a fall application, it might be possible to reduce grub populations.

5) Feed your existing trees, shrubs and other plants - because they might be stressed/damaged too and could use the help.

6) You can plant almost any outdoor plant that is hardy. Late frosts and cold snaps might injure blossoms or fresh leaves, but it is rare that they would kill the plant outright.  Ask here and we can assist with that readily.

7) You have probably the longest period to apply a dormant spray to plants requiring it that has been in recent memory.  Once the rain stops, don't put it off!

Here are a few things that you might want to wait upon:

1) Hold off on planting many tender vegetable plants like tomatoes, zucchini, cucumbers and peppers unti the soil temperature is much warmer even if there is no danger of frost! These plants don't like sitting in cold wet ground, and will not survive and thrive.

2) Many tender annuals will not like cool soil conditions either. When in doubt... wait (or ask for help).

3) While mulching is a very good thing, be careful as to how you apply it as if the mulch is right up to the bottom of the plant, it is possible that the crown/base of the plant will never fully 'dry out' and can lead to a situation of rot.

Posted by: Perry Grobe AT 08:23 am   |  Permalink   |  0 Comments  |  Email
Wednesday, April 30 2014
Heirlooms vs. Hybrids

Sometimes we're asked why we grow so many tomato varieties. The answer is simple - I wanted an assortment in my own garden, and to get it I had to grow at least a flat of plants. Turns out the plants not allocated for my garden sold within minutes - so it sort of snowballed from there.

Like many of you I love the thought of what that unusual variety is going to taste like, and we go trial many tomatoes every year to see if they are 'better' than what we have to offer to add them to our mix.

But many times the discussion of what is 'better' seems to revolve around whether it is 'organic', 'hybrid', or not - and whether 'breeding' a seed might somehow entail 'genetically modifying' it. The negative association with this term, I believe, has more to do with the 'Frankenstein' scenario where the gene from a totally unrelated living thing is inserted into the gene profile of a plant. As this was not as nature had intended, the ramifications for such manipulations are not well understood and there are natural misgivings when meddling with the natural order of things.

As we individually are 'hybrids' of our parents (we often have traits from both parents), so too does this happen in the plant world. Hybridization for most seed breeders has more to do with having control of both parents so that the offspring 'hybrid' seed has a consistent set of traits from the parents - usually for the better.

This article from the Gardening Jones Blog seeks to offer a couple of reasons why you might re-think putting all your 'seeding' eggs into the heirloom basket - and it does it in a very concise manner.

Heirloom or hybrid... I think we all just want it to really taste good on that slice of toast.. don't we?

Posted by: Perry Grobe AT 04:38 pm   |  Permalink   |  0 Comments  |  Email
Sunday, April 27 2014
What's an Espalier Apple?

To 'espalier' (pronounced 'es pal yay') a tree refers to the practice of controlling woody plant growth for the production of fruit through pruning and tying branches to a frame or a wired support. It is often done in a formal style, and it is meant to be such that the tree would sit flat against a structure such as a wall, fence, or trellis.

In addition to their aesthetic appeal, they are also useful for gardens in which space is limited, or where they can be planted adjacent to a wall that can reflect more sunlight and retain heat overnight to allow the season to be extended and ultimately so that fruit has more time to mature.  Having said that, there is a fair bit of pruning work involved in maintaining the form. 

Recently we had been asked to source some of these rare and hard to find trees, and we thought you might like to see one. This large one that is being held by our lovely Linda Schlueter is of Lodi Apple, but smaller ones that are 'multi-grafts' (with more than one type of apple on one tree) are also available this year too.  The best part of these trees is that the hardest part of espalier (getting the initial training done) has already been done.

Posted by: Perry Grobe AT 04:37 pm   |  Permalink   |  0 Comments  |  Email
Friday, April 25 2014
Marvelous Magnolias

Magnolias are lovely spring flowering trees that really are one of the harbingers of spring. The range of flower colour and form is quite extensive, ranging from clear white, to pink, to rose/purple and even yellow. These blossoms are found at the tips of the branches, and their striking show is even more apparent as the leaves will not appear until after the blooming period is just about done. This is a nice Royal Star Magnolia with double strap like petals.

Royal Star Magnolia
Royal Star Magnolia

Breeders have been working hard to produce varieties that are more compact than the traditional and still very popular Saucer Magnolia.  Marilyn Magnolia (at the top of this posting) is one such variety.

Susan Magnolia
Susan Magnolia

One little known fact about magnolias is that they have a tuberous root system that isn't very amenable to sitting in poorly drained soil conditions for long periods of time. Like a wet potato in the cold cellar, the result is a rotten root system that is unable to bush the tree into leaf or contribute much vigour.  Magnolias also like a soil that is a wee bit acidic, but that is easily remedied with an amendment if the leaves tend to be more to the 'yellow' rather than medium green that they usually are.

Leonard Messel Magnolia
Leonard Messel Magnolia

Magnolias are best site in locations where they can receive the maximum amount of sunshine. Their large blossoms are formed in the fall, so a somewhat protected location that without excessive cold northwest wind exposure would help to ensure that the blossoms survive the winter.

Posted by: Perry Grobe AT 12:40 pm   |  Permalink   |  0 Comments  |  Email

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Grobe's Nursery and Garden Centre
1787 Greenhouse Road
R.R. #2, Breslau, Ontario, Canada N0B 1M0
Look for the Orange Buildings Just Off Kitchener-Guelph Highway #7
Phone: 519-648-2247
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