Did I Mention It’s Hot?

This has been the hottest, driest summer I can remember in a while. It has been raining around the perimeter of the city on a fairly regular basis, however it has been dry as a bone in my area since June 13! The weather has threatened rain several times; the sky has turned grey, the clouds have formed, only to suddenly turn back to sunny and hot in a flash. As a result I have been watering all of my gardens a lot more than I am used to. And man alive, it has been HARD.

Commence with the tears.

As an example I NEVER water my street garden short of the bucket I dump on new additions. Basically my technique is to dig a hole, fill it with water, wait for the water to soak in, fill it a second time, wait for that to soak, dig in the plant, make a moat around it, pour more water in and let it go. I check on the new addition regularly and pour some water in if it looks like it needs it but I try and grow drought tolerant plants in that garden that can handle some dry periods once their roots have developed and they are solidly settled in.

But this summer has been something else. I got the hose out yesterday afternoon and gave the street garden a good soak for the second time this growing season . I did this only after waiting as long as I felt I possibly could. When the anise-hyssop is wilty there’s just no denying that things are dry and HOT.

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Some of the rooftop plants just a few days ago.

That’s the thing about this summer. We’ve had droughts, but the heat has been so intense on top of it. Take my rooftop garden as an example; I water the containers every day of the summer. It just can’t be avoided when you’ve got big water-loving tomatoes in containers. Well, last summer was the exception with temperatures that never did climb much into uncomfortable. I could get away with going a day, sometimes two without watering. But this summer has been crazy. I check my plants twice daily, once in the morning and once in the early evening, hauling bucket after bucket after bucket of water on a repetitive path from my bathtub to the deck and yet I still managed to produce some tomatoes (on one plant only thankfully) with blossom end rot. I know it’s a terrible after all that big talk in my last post about my killer tomato plants. They’re all still doing exceptionally well — the plants love this heat, it’s just a matter of keeping the soil wet.

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It’s a jungle. The baby cucumbers are just starting to form!

I finally understand what it’s like for some southern gardeners who throw up their arms and call it quits during the hottest, driest part of the year. I always understood in principle but now I REALLY GET IT in practice. Hauling countless buckets on a twice daily basis only to wake up the next morning to wilty cucumbers and a touch of blossom end rot on a couple of tomatoes sucks. And I water deeply. None of this splashing a bit here and there business. This morning I went through the ridiculous process of hooking the coiled hose up to my bathroom sink and dragging it out through a window because it just made more sense than the hauling of the sloshing water. The one worry I have about this is the environmental soundness of using what seems like a lot of water to grow my tomatoes. Granted I do get a decent show on each plant, my growing practices are good, I’m doing the best I can to keep moisture in under extreme conditions, and I’ll probably be laughing maniacally over handfuls of ripe fruit come September. Still, it does seem a little over-the-top this year. These tomatoes better taste like liquid candy. They will.

A few more pics:

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Photos of My Rooftop Garden

As promised, a few photos of my rooftop garden in June.

In the foreground you can see lemon cucumber, tomatillos, and peppers.

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- A full view from underneath the gazebo – Facing north.

- Facing west

- Facing west (closer)Sweet and hot peppers in the foreground with purple tomatillos in the grey, oval-shaped container and a tomato in the larger grey container (right side). That’s ‘Siam Queen’ basil hanging out the front of the tomato container. To the left you can see another large grey container (white tray underneath) with a tomato plant and some red rubin basil. It’s hard to see in this pic but I’ve added a decorative trim of twigs that I bent into an oval shape. I did a similar thing to protect the peppers (foreground) from the raccoons that insisted on digging the seedling up every night. Worked like a charm.

Fire escape silver boxes – The box on the left has lavender and various succulents while the box on the right has miniature curry plant and portulaca. The plants underneath are various basils, nicotiana, tangerine gem marigold, and green sausage tomatoes. There’s a silver fir tree tomato hidden back there too. It already has one small tomato!

- An old washbin holds beets, chives and catmint. – This looked exceptionally great when the chives were blooming. I need to fill in that bit of space with something flowering.

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Start Healthy Tomatoes

Guest post by Arzeena Hamir

Tomatoes are one of the easiest vegetables to grow from seed. However, unless you live in the tropics, your summers are probably too short to direct seed these heat loving plants. Starting tomato seeds indoors gives them a jump on the season, especially with late maturing varieties. Start seed 6-8 weeks before your last frost. Check almanac.com if you’d like to check your frost dates.

Did You Know?

  • Tomatoes are native to South America.
  • They were first cultivated by indigeneous peoples in prehispanic Mexico.
  • The fruit is botanically a berry.

Tomato seeds themselves are easy to handle and can be planted in any type of container you have around the house: yogurt containers, milk cartons, etc. Try not to use too small of a container (egg cartons for example) or else you’ll be watering more frequently.

The key to starting tomato seed is to keep the seed moist. Pre-moisten the potting mix so that it’s wet but not soggy. When you squeeze it in your hand, no water should come out. The soil should form a ball that falls apart when you poke it. Fill your container and place one or two seeds on top, covering them lightly with more soil. Next, cover the container with either a plastic dome or plastic wrap. Not only does covering prevent the soil from drying out, it prevents you from overwatering the soil as the seed is germinating.

In addition to moisture, warm temperature is the key ingredient to helping tomato seeds germinate. At 75-80° F, seedlings will emerge in just three to five days. Bottom heat is best so place your containers in a warm spot like on top of the water heater or even on top of the VCR. Alternatively, you can use heating cables or a heating mat under the containers.

Once the seedlings are up, move them off the heat and provide them with lots of light. If you have a bright, south-facing window, keep them there. However, if you notice that your seedlings are getting lanky, it’s an indication that you need to provide supplemental light. Grow lights or fluorescent shop lights can be used to keep plants short & stocky. Suspend them close to the plants, no more than four inches from the top of the leaves.

Once the seedlings have developed at least one set of true leaves, pot them up into their own individual containers. Each time you do this, add some fertilizer to the soil mix. I find worm castings to be a great source of organic nutrients that won’t burn the seedlings. Other options include compost or half-strength fish fertilizer.

Each time you pot up your seedlings, take off the bottom two sets of leaves and bury the entire stem. Why? Tomatoes have this wonderful ability to sprout roots along their stems. They are, after all, related to potatoes. Burying the stem & stimulating more root production ensures that the seedling has a well established root system that will withstand the fluctuating moisture conditions in the garden.

Arzeena Hamir is an agronomist and garden writer based in Vancouver, BC. She has worked in the organic gardening industry for 8 years as a consultant and trainer. When she’s not planting peas or harvesting zucchini, she runs Terra Viva Organics.

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