The Easiest-to-Grow Plants in Garden Zone 6!
So my friend Kadi & I recently went “shopping” in my backyard for easy-to-grow plants. She just built a home in Bend, & is now starting the landscaping process: so she was looking for about 5-6 plants that are the heartiest & fastest-growing in our climate. We walked around my yard, & when she said, “I like that plant!” ~ I basically told her if it was a good choice (i.e. hard to kill!) or not. Here, we’ll discover some of “The Easiest-to-Grow Plants in Garden Zone 6,” that will work whether or not you have a green thumb.

Two of my favorite perennials are in this garden bed: lilacs & Karl Foerster grass. They provide a nice privacy barrier from neighbors.
All plants listed in this article are perennials in Garden Zone 6. While I love certain annuals (like snapdragons), I’ve had to focus my time & money on buying perennials: as they provide more “bang for the buck” in the long-run.
Shop Some of My Favorite Perennials:
The Easiest-to-Grow Plants in Garden Zone 6
While I’ve planted more than 100 different type of plants in my yard: the six below are ones I’ve purchased over & over again ~ because I know they’ll do well. These have been the heartiest, best-performing plants in my Zone 6 garden.

Karl Foerster is one of the EASIEST plants to grow!!
- Karl Foerster Native Grass: In high-end homes around Bend: you always see these plants. Landscapers love them, because they thrive in our high-desert climate. They grow tall quickly, look good all winter, & provide privacy. They look great paired with almost any plant, & the only way to kill them is if you never water them. But once they’re established, they need very little water. All mine are on the smallest drip irrigation, & thriving.
- Emerald Green Arborvitae: These tall guys are one of the only things “alive” in the wintertime, so they provide a solid foundation for my yard year-round. There are different varieties; due to HOA height restrictions, I chose ones that grows 8-12 feet tall. These are probably my #1 plants for creating privacy. They look great planted in rows (3, 4, or 5)…which is a very French country garden look. They need more water than Karl Foersters, but all mine are on drip irrigation (using a bigger drip) & are doing well.
- Common Lilacs: This was the first plant my friend pointed out that she wanted in her garden! Even without blooms, lilacs are great because they grow tall & provide privacy. Some even grow as tall as trees! And when they bloom: MAN OH MAN….the scent is heavenly! Their purple-pink blooms are divine-looking…& if you’re going for a French country or cottage-style garden: lilacs are a must.
- Catmint: In Zone 6, catmint is used by landscapers a LOT, because it grows so fast, & is truly one of the hardest plants to kill. If you’re a beginning gardener: catmint (also called Walker’s Low) is a great place to start, because it will thrive. The biggest problem you’ll have with catmint is how BIG it grows: it spreads fast, so plant it in a spot where you don’t mind it spreading out. It’s especially good to “hide” things in your yard, such as utility boxes, etc.
- Dappled Willow: In the third year of my garden, my dappled willows are really turning into superstars. They come as a shrub OR a tree, & they’re wispy white-tipped leaves catch the sun in spectacular ways. In the right conditions (they prefer fairly moist soil), they grow FAST. Even right now in spring, I’ve had to cut mine back, as they were starting to dominate their garden! Have some Vitamin B solution on-hand when planting, as most of mine went into transplant shock; the Vitamin B helped them get established. Keep soil moist, especially in their first year!
- Russian Sage: Once the warmer months hit, & we start getting 90-degree days ~ Russian Sage turns into an absolute showstopper. It looks almost exactly like lavender, but is SO much easier to grow, & has a much longer *bloom* season, with purple spires towering from June through October. And it’s a great drought-tolerant plant. Some re-seeded in my yard, which I never water ~ & they grow totally fine on their own. This is an extremely hearty plant, & is great for the warm months of summer & fall.
Photos of My Favorite Zone 6 Plants

Five emerald green arborvitae sit right in front of my “She Shed,” creating privacy & a wind barrier for the garden.

Karl Foerster grasses are one of the most reliable plants to grow in Zone 6, & look good all year-round. When grown together, they can have a more modern look ~ or mixed with a variety of plants, they’ll fit into a French country or cottage-style garden.

There are many more grasses you can plant besides Karl Foerster, such as these ornamental grasses ~ & most need very little water.

The pretty pink flower in the foreground here is from one of my favorite flowers: a Common Lilac, which are super-hearty in Zone 6.

All the purple plants shown here are catmint, or Walker’s Low ~ one of the easiest plants to grow in Zone 6.

The beautiful shrub here with white-tipped flowers is a dappled willow, & the older it gets: the faster it grows! It comes in tree or shrub form.

One final shot of lilacs mixed with Karl Foerster grasses….& a foxglove in the midst of them!
The Easiest-to-Grow Plants in Garden Zone 6
I have many more favorite plants & flowers for Zone 6 ~ but the ones listed here are my most reliable, by far. Certain ones, such as my prized hydrangeas, can be much more fickle & hard-to-grow. Feel free to ask me any questions about gardening in Zone 6 below!
xoxo Noelia
Read Next: Good Companion Plants for Hydrangeas
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Fantastic article! Gorgeous garden. My question is about the arborvitae: I’ve wanted to plant some as a privacy hedge for our nosy neighbors. Yours look very green and healthy, but I’ve definitely seen some around my neighborhood that look dried out and almost orange-y. Do you do anything special to make them look so healthy?
Hi Hayden! Thanks for your question, & that’s a really good question ~ I’ve also seen some arborvitae in front of my local hardware store that look pretty terrible/very dried out. There are two main things happening when arborvitae look that bad: 1) They’re not getting enough water, & 2) They’re getting wind-burnt, which can thin them out & give them that “burnt”/orange-y appearance. All of mine are on the biggest drip possible, placed right at their base/root, & in the hot summer months: I’m watering them twice a day. This spring, I also fertilized them with “Evergreen Spikes” (that you leave in the ground) & that has really made their foliage much healthier, greener, & more full. Long answer, but I hope that helps!!
Your garden looks absolutely stunning!! What gorgeous sunset shots. I live in zone 6 as well, and have flirted with the idea of planting lilacs, but didn’t know how they’d do. How many have you planted, and have you had any powdery mildew/pest issues with them? Thank you, Teresa
Thank you so much, Teresa! So I’ve planted at least 7 lilacs (mainly Common, but some Sensation), & they’re all very healthy with NO powdery mildew, & no pest issues. When they’re not blooming, their leaves are beautiful & green. Mine are all in full sun, so I think that might help with any powdery mildew issues. If I were you, I’d plant one in full sun & see how it does!
I’ve never heard of dappled willow before but I really like that look. How hard was it to get established?
Hi Ashley, thanks for your question! So, my dappled willows did go into transplant shock when I first planted them. They were totally exposed in a full sun environment, & they weren’t getting enough water ~ so they started to shrivel. I then planted an arborvitae BEHIND them, to give them some late-afternoon shade. And once they got a drip line, they did just fine. But Vitamin B solution (from Amazon) helped reduce their transplant shock! Hope that helps : )