Melissa Smith Melissa Smith

So What If the Rain Won’t Go Away?

This is another one of those “if I had a $1 for every time” posts—- All I’m hearing about right now is “Are my tubers going to rot?” It’s been a very wet year so far in the Southeast. I’m writing this only a few hours after our power came back on - we just had a huge storm that dumped a ton of water. And it’s been raining almost every day!

So let’s talk about DRAINAGE!

First off- the reality. There’s not a ton you can do to fix bad drainage for the immediate future. But there are a lot of plans you can put into place for the long-term future. So let’s make some future plans!

What exactly is good drainage in soil? Good drainage is when the water can pass through your soil at a moderate rate. Clear as mud right? Realistically you want the water to not pool on the surface but also you don’t want it to dry out too quickly. But we all know that sometimes the water comes down too fast for the soil to be able to handle it efficiently. After a heavy storm, it’s going to pool on top. My personal measurement is- “Does it drain off in less than 24 hours?” If so, all good. I have heavy clay soil so if it can drain the water from a pooling point in 24 hours or less- that’s not half bad.

But what if the water is standing for days? How do you fix poor drainage in your soil?
1. Organic Matter- Soils that are high in organic matter hold water but also let it pass through. They are kinda like sponges- plenty of holes to let unnecessary amounts of water through but will hold what it needs. You can get more organic matter in your soil in several ways. Adding compost is one of the easiest. Compost is just all the leftover waste from your garden and it turns into black gold. Compost not only adds nutrients but also add organic matter to your soil which will help handle how water moves in your soil.
Shredded leaves are a another excellent addition. You do want to make sure they are shredded- whole leaves will just create an impenetrable mat that breaks down slowly. We bought a leaf shredder for the farm 2 years ago and have been adding shredded leaves to our beds each fall. It’s making a massive difference and it doesn’t take that much either. We put about the equivalent of 2 unshredded wheelbarrow loads in a 4x16 area. So it’s a pretty thin layer but it makes a world of difference.
We began mulching our dahlias with straw 3 years ago and as it breaks down it’s turning into great organic matter for our soil. I love a product like this that does double duty!

2. Gypsum- This stuff is magic! I’m not totally sure how it works but 2 years ago we did an application of gypsum on almost our entire farm. It takes a bit to really see the benefits but 2 years on, I can tell. There’s a difference in the few areas that didn’t get the application. And the awesome thing about it is that you can’t over apply it. If your soil doesn’t need it, it just holds it until it does. Gypsum adjusts the tilth of your soil and for clay soils, this is a game changer.

3. Lay of the land- Don’t discount growing on a slight slope. I thought it would be hard when we began our farm but on wet years like this, I’m so thankful for a slope to grow on. And you don’t need much. If you are prepping a new area to grow in, give it just a slight slope, it may not even be noticeable to most people but it will help move that water off.
Raised beds will help with this if you are on a flat land situation (and even if you aren’t). You can do permanent style beds or just rake the dirt up a few inches.

4. Drains and Grading- Depending on how bad your drainage situation is, you may need to have portions of your land regraded or add drains. We had to have some of ours regraded back in 2018- it made a huge difference. And then in 2020, we added a huge drainage ditch at the top of the hill (top of the flower field) to catch water coming down from above that. Physically changing the water flow made a huge difference!

So if you are having drainage issues this year, it’s time to make a plan for the off season. I promise you it will pay off in the long run. I feel like everything we have done to improve our drainage on this farm has been for this season! So bring it on rain! (but leave the hurricanes in the Atlantic please!)

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Melissa Smith Melissa Smith

2025 2nd/3rd Year Trial Varieties

If you’ve ever asked me how many varieties I grow, then you’ve heard me laugh. Way too many is the usual answer. But I believe that figuring out which varieties are heat tolerant is a worthwhile endeavor. So I take the dahlia trials very seriously and therefore why I grow so many varieties. Here’s a little sneak peak into some of my 2nd and 3rd year trials.

So what does 2nd and 3rd year trials mean? I grow a variety for a minimum of 3 years before I will say it’s heat tolerant. Three years usually lets me see it go through all kinds of weather patterns. Sometimes I can tell in year one if a dahlia is not going to cut it, sometimes it will do great years 1 and 2 and flop on year 3. But anyways, let’s get to the pretty pictures.

Normandy Bright Day- she’s a second year trialer- a bit more peach than she appears in the photo. I’ve got high hopes. I did a bit of propagation to increase our numbers so I could see what she would be like growing en masse.

KA Cinder Rose- Loved this one last year, early bloomer which is always a plus. Great coloring! I’m learning to grow out KA varieties for longer than the 3 years. The California climate where they originate is quite the opposite of here so I think a longer testing period is needed to truly see their capabilities in our climate. I’ve got high hopes for this one!

Diana’s Memory- I had this is production several years ago and always loved it but it’s a hard one to store through the winter— skinny tubers. So if it stays it’ll be available as rooted cuttings and we’ll probably grow it on the farm in a perennial fashion.

Camano Zoe- in her high heat coloring. She gets whiter with the pink more concentrated in the center as the temps cool. 2nd year on this and I’m seeing lots of promise.

Hilltop Lost Treasure (left) and Brookside Cheri (right)- I’ve been growing Hilltop Lost Treasure for years because she’s a personal favorite. I’ve been trialing Brookside Cheri for 3 years and had decided to cut it last fall. But then I ended up keeping a few tubers. So we’ll see what happens- they aren’t planted yet. But this is a good example of the hard decisions you have to make. They are both great but they are very similar and there’s only room to keep one. Who would you choose?

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Melissa Smith Melissa Smith

Dahlia Bed Prep- Raised Beds

This is a post I probably should have written years ago based on the number of questions I get about how to fill a raised bed. I’m speaking to this topic from the viewpoint of dahlias but it can be used for general gardening purposes as well.

Raised beds are excellent places to grow, especially if you live in the land of clay soils like I do. Years ago when we moved on to our farm, I saw a sloping hillside and instantly knew that raised beds were my answer.

So let’s talk about the benefits of raised beds:
1. Erosion control- this was huge for our farm because everything is on a hill. The only flat land is our front yard. You don’t necessarily have to have permanent sided raised beds for erosion control- this was the route we choose but even mounded rows will work.
2. Drainage- We know dahlias need good drainage. They don’t like sitting in water. You don’t have to go super high on your raised beds either, especially if you have a bit of a slope. With a slope, 6 inches is about the minimum for how much you want to be mounding your dirt or the depth of your raised bed. On flat ground, go 8-10” if you can. Deeper is always nice but not totally necessary. However, sometimes deeper means a higher bed so you are supporting your back more- totally on board with that the older I get!
3. Timing- Raised beds warm up faster allowing you to plant a bit earlier and also allowing you to plant after heavy rains. We got several days/inches of rain recently. The morning after the storms, I checked the raised beds in the field and the moisture level was perfect for planting tubers! I’ve never had to wait after heavy rains to plant because of my raised beds.
4. Labor saving in the long run- Raised beds are more prep work financially and timewise in the beginning but save so much time over the years because you don’t have to re-till and reshape every season. They are also easier to keep up with weeding because you are usually filling with fresh weed free soil. So if you keep on top of it from the beginning, you won’t spend hours weeding.

Have I convinced you yet? Nothing wrong with in ground growing but I gotta’ admit I love a good raised bed!

Deeper Raised Bed (that needs a little repair work!)

So what are we going to put in that raised bed?

I’ve started raised beds 2 ways and they both work great- one is just a little more work.
Method 1: Mow your grass very short— scalp it. Then cover the area with cardboard and construct your raised bed on top of it. The cardboard will kill the grass overtime and break down. This is the method I use in my vegetable garden.
Method 2: Till the area and get all the grass/weeds out and then construct your raised bed on top. This is the method we used in our flower field. (It would have taken a lot of cardboard.)

After you get your grass killed or area tilled, it’s time to fill it up. I start with a layer of branches- not big ones, nothing bigger than 2” in diameter. Trust me on this one— 2 years ago my husband designed an amazing raised bed for our vegetable garden, he built it and then began filling it with branches— and logs! He knew that branches were what I used in the bottom but I didn’t realize he had put logs in there until the dirt was already on top!! So needless to say, it’s still breaking down. I’ve been growing plants from the cucurbit family in that bed because they don’t mind a compost like environment. It will be beautiful soil - one day!

Once your branches are down, I add leaves if the time of year is right. Leaves are an amazing soil additive. If you can get them shredded- even better. If they are shredded, you can add a lot. If they are freshly raked, don’t put so many that they mat up when wet.

It’s finally time for the soil! You want a good quality compost. Now what is that and how do you find it? #1- Ask gardeners in your area. Compost is going to be different regionally. #2- if you have time, buy a small amount and get a soil test done before committing to a large amount. I always recommend getting a soil test done on your base soil regardless but if you can get it done before you buy- even better. Some companies may even be able to provide you with a recent test done on their soil.

You don’t have to use 100% compost. You can mix it with some top soil if you can find good quality top soil. All compost gets very expensive. This is where a lot of the financial investment comes into play with raised beds.

Compost can come delivered in bulk or you can buy it in bags. Bags are usually a bit more money wise but they are also faster because you don’t have to shovel and wheelbarrow the soil across your yard. When we set up our flower field originally, we used bags because of the geographical topography of our farm. We didn’t have a tractor with a bucket at the time, so I figured that moving bags was less labor than having to shovel and push a wheelbarrow several hundred feet to the field (and down a very steep hill). I just bought a pallet worth of bagged compost at a time. I tell you this because some people have a misconception that buying bagged compost is crazy but if I can do a 1/2 acre field this way- it’ll work for your backyard garden!

My husband’s raised bed design that is far superior to mine! I love the rocks on the bottom.

If you have bought in good quality soil, then hopefully your soil is well balanced nutrient wise. If so and you are planting dahlias, then I would add a granular fertilizer - something like a 10-10-10 or something with a touch higher nitrogen than phosphorus and potassium to start.
(For more dahlia fertilization recommendations, go here).

That’s my method for filling up a raised bed— What’s yours? I always love to hear new tips and tricks!

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The Itsy Bitsy Spider....Mite that is!


Edit: I originally started writing this last fall but didn’t have time to finish the research so I’ve left parts of the original article in but have now been able to do more research to address this issue and have finished the post.

If I had a fiver for every email/question I’ve gotten about spider mites (and broad mites and cyclamen mites) this summer- well let’s just say I’d have lots of cash for some pricy unicorn tubers this winter ;)

It’s been a really rough year for them. Most years, I see small localized outbreaks of them but usually the damage is minimal and easily contained. But this year, it’s been at the ‘fatal damage to plants level’ for some of you.

So while, it’s not a sexy topic, it’s a necessary one if we want luscious blooms!

Let’s talk about how to address pest issues in general first:
1. Scout your plants regularly. Grab your favorite beverage and walk your plants on at least a weekly basis, more if you have a lot of plants.
2. Use your phone camera to take pics of anything that looks suspicious.
3. Record your findings- date, what you found, add a pic if you can. This information is helpful when it comes to prevention methods in future years.
4. Employ prevention methods. But - fully realizing that sometimes it takes a few years to figure out the timing so give yourself a bit of grace.

Most of the time when I receive an email, the plant is already very damaged. Try using these methods to catch issues before they get really bad.

Next: Make sure you diagnose the problem correctly.
— Also remember you can have more than one issue at a time.
Knowing the lifecycle of pests is important. Some insecticides will only kill the pest at a certain stage. You can find the average lifecycle of most pests by simply searching online. Remember that unless you know the timing of when the pests begins to appear in your garden, there will most likely be all stages of the pest happening at once. This often means the need for multiple applications of an insecticide.
— Also verify your diagnosis in multiple places. There are a lot of ID apps and good research out there to use but a lot of these are based on AI which can be faulty so just use good common sense and verify it in a few places.

Research Findings:
*I’m not going to re-invent the wheel and re-write everything I read but I’ll summarize to give you an idea if the research may fit your situation.
Coping With Spider Mites- from The American Dahlia Society. This article talks a lot about different types of mites and specific insecticides to address them. It’s almost 20 years old, would love to see an update but I think there’s still some really good info here. I found the information about the use of pyrethrin’s and how they can actually encourage the spread of mites particularly interesting.
Dahlia: Plant Health Problems- This page is not specific to mites but to pests in general that bother dahlias (also fungal diseases). Some good photos for id help (wish there were more though).
Managing Spider Mites in the Garden and at Home- This article speaks generally of spider mites but they used dahlias as their example plant throughout. Good photos for diagnosis
Know Your Mites- Good article on the differences between broad mites and spider mites
Management of Broad Mite & Cyclamen Mite in Production Nurseries- long but good photos and in depth descriptions of different types of mites

Experience Based Findings: (For Prevention)
Several years ago I began using a sprinkler to cool my dahlias during the hottest days of summer. Turns out that it’s also a great method for preventing powdery mildew and spider mites. Both of those come on when we go hot and dry. But by increasing the amount of water my plants are getting, bringing the temperature down and keeping the air moisture levels higher, it’s creating an atmosphere around my plants that is not conducive to spider mites/powdery mildew.
Second - Keep your plants as healthy as possible. This means staying on top of feeding and watering and monitoring for pests. Stressed plants attract more bugs!

I sincerely hope this year is better- but when they do inevitably come, there’s a lot of good information here to help answer questions and help you formulate a plan of attack.

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Melissa Smith Melissa Smith

Growing Dahlias in High Heat

You love dahlias but you live in the land of scorching sun! What to do? Well- here’s a blog full of tips for growing with more success in high heat.

I’ve written a lot on this topic with tips on different methods for success in high heat but I’ve never compiled it into one place. Some of this will be links to past blogs (no sense in re-writing it all here) and some will be newer methods we have learned over the years. So here goes:

1. Variety is important. Some varieties just don’t work super well. I wrote about how I choose varieties in part 4 of the Dahlia Game Plan series last winter. I also have a whole module about choosing varieties in my Dahlia Growing for Beginners Virtual Workshop.

2. Watering is crucial. Several years ago I started experimenting with pulse watering. It was a game changer for keeping dahlias hydrated in high heat! I wouldn’t go back to my old method now. Read more on that here

3. Shade- Shade cloth or location- either one works. So we grow 1000’s - it’s not practical for us to use shade cloth. Would it help - Sure! But our fields are multiple places and too big to do it cost effectively. This is why I’ve worked on other methods (as listed in this blog) to give us success growing in high heat. But for smaller growing situations, shade can be a powerful too.

4. Planting time- This is really important. You need to get plants established before your climate and soil get too warm. Tubers can cook if planted in soil that’s too hot. This timing will depend on your climate. For us, it means get them done by end of May. If you have to plant in warmer soil, try a rooted cutting that’s been potted up. Those roots will establish faster and you can water it which cools your soil.

5. Surround (Kaolin Clay) - We use this as a crop protectant— helps keep early season powdery mildew at bay, keeps mites and thrip pressure lower but also cools the plants several degrees. Longer form blog on it here.

6. Pruning- Dahlias respond very well to pruning. Cutting plant back by half is a great method to employ mid summer during the really hot part. This lowers the stress level on your plants. Usually early July is our timing if we choose to cut back. This method works well if you overwinter your dahlias and don’t have control over when they sprout. You’ll get blooms again 6-8 weeks after pruning.

7. Patience- growing a plant in an enviroment that is less than desirable for it is going to take time to learn. Dahlias can thrive in a lot of places but high heat is a bit of a learning curve. So expect that it will take several years to learn how to do it successfully.

However, I hope these tips will help! Do you have any great high heat growing tips? Send them my way!

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