Guidelines for gardening by the moon phases

Rhododendron flowers, or trusses, are on the bloom right now! Flower buds are more rounded, while leaf buds are pointed, as in the ones surrounding this truss. 

Q: I’ve heard of planting by the moon. Are there some general guidelines?

A: Gardeners and farmers have been using moon phase gardening for a lo-n-n-ng time! It’s a fairly simple process and many folks swear that it gives you a deeper feeling of connecting with nature.

 Just as the moon’s gravitational pull affects the tides, it also has a more subtle (but still relevant effect) on soil moisture, pulling it up toward the soil surface.

Does it really work?

Well, talk to any bartender, and they’ll tell you that things can get a little “crazy” during the full and new moon. So it only makes sense that the pull of the moon affects just about everything.

Here’s what Melissa, one of my newsletter subscribers, told me the other day:

“I’ve been gardening by the moon for years. The final quarter is a time of rest and you may notice your plants grow a bit less that week. Good time to weed. I swear people have less energy too. Not a good week to ask someone for a favor!”

In a bit, I’ll list other ways to “work with” the phases of the moon. Meanwhile, here are a few guidelines for gardening by the moon.

See for yourself. I recommend trying the “citizen scientist” approach: Plant seeds on different phases of the moon and note your results.


Above-ground crops

All aboveground crops should be planted when the moon is waxing (growing visibly larger). This is the best time to sow or transplant leafy annuals such as lettuce, spinach and cabbage.


Below-ground (root) crops

Root crops do best when the Moon is waning (growing smaller). It’s a good time to plant potatoes, beets and turnips, and also fruit trees.


Other garden tasks, such as composting, etc.

According to the Farmers’ Almanac, during the last quarter phase (it takes about 29.5 days for the moon to pass through all its phases), it’s best to avoid planting at all. Wow.

Focus instead on improving your soil by weeding, mulching and — you got it — composting!


Working with moon phases

For ancient people, the moon was more than a round rock in the sky, a pseudo-mirror  reflecting the sun’s light back to Earth at night. The moon was mysterious in its movement and changing faces. 

While modern society no longer relies on the moon as much as our ancestors did, turning more to their clocks and smartphones, following moon phases can give you a deeper sense of connection to the cycles of nature. Some folks say that it can boost mindfulness and keep you working toward your goals.

So what does “working with the phases of the moon” look like?

You simply become aware of, and commit to addressing different areas of your life, through each lunar cycle.

In a way, you use the moon as a spiritual calendar.

This might sound airy-fairy, but give it a go. Make notes in a journal, as you would for when you planted broccoli seedlings.

Here are some simple guidelines:

Use the new moon as a time to reboot and get a fresh start. Set goals and intentions that you want to fulfill by the next full moon.

Use the full moon as a time to reflect, be grateful and release something from your life so you can make space for something new and better by the next new moon.

One more question for today’s column ...

Q: My rhododendron is lanky with broken branches from last winter. When is the best time to prune it?

A: The best time to prune your rhododendron is also within a couple of weeks after flowering. And right now the flower trusses are coming into full glory.

New growth will soon emerge, and by mid-summer, next year’s flower buds will form at the end of newly grown branches. I’ve heard that if you wait too long, pruning can interfere with the budding process and reduce the number of blossoms next year.

Incidentally, do you know the difference between flower buds and leaf buds? Flower buds are more rounded than the pointed buds that will eventually become leaves.

A lot of people panic at the thought of approaching their rhodies armed with pruning shears. But you can’t harm a rhodie by trimming it. The plants are covered with barely noticeable buds (called latent buds) that will “break” into action to become new branches wherever you cut. And you can prune the entire plant back to 12 inches from the ground.

Keep in mind, though, that the farther down you cut, the more potential flowers you remove, and it can take a while before new ones will take their place.

Meanwhile, for the next few weeks, enjoy the beautiful floral displays around town.


In the garden:

Rotate handing baskets and containers.

Tomato tips: Do not pinch suckers from determinate tomatoes. Most gardeners DO pinch suckers from determinate tomatoes (the type that keeps growing). There are pros and cons to pinching — I’ll cover this in a future column.

Pick slugs!

Sow new crops of cilantro, lettuce and other salad greens.

Deadhead flowers and train peas.


Got a gardening question? Send it to: Curious to know where local gardeners hang out? Visit the Kodiak Growers Facebook page. Visit my blog at:

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