How to Have Beautiful Flower Filled Window Boxes

by Alli

Spring and summer are my favorite seasons. The birds are singing and the flowers are in full bloom. During this time of the year, there’s no place I’d rather be than in my garden. I love puttering around in my flower garden. I also like to have big, fat pots full of flowers on my front porch and flower-filled window boxes.

Secrets to Beautiful Flower Filled Window Boxes

There is a secret to filling window boxes or pots with flowers and plants. If you follow these three simple tips, you’ll create your own masterpiece.

How to Have Beautiful Flower Filled Window Boxes

When it comes to filling window boxes or pots, you need three different types of plants or flowers.

Beautiful Flower Filled Window Boxes

1. Spillers

These are plants or flowers that hang over the edge. Spillers include variegated sage, sweet potato vine, and Nasturtiums. There are many other spillers out there. I like to visit the nursery and have a look around before making a commitment.

Helpful Hint: Will your planter or window box be in the shade or sun? You don’t want to add shade-loving plants to a window box in a sunny spot.

2. Fillers

Fillers are plants or flowers that mound and fill in. Some fillers include Lantana, Impatiens, Hosta (shade-loving), and Coleus.

Flower Boxes full of Beautiful Flowers

3. Thrillers

Thrillers are tall and eye-catching. Ornamental Grass, Hibiscus, Purple Cordyline, and Spike Dracaena are all great thrillers. Thrillers go in the center of a container and add a hint of drama.

When you remember to add spillers, fillers, and thrillers, your container gardening will add vibrant colors and textures to your landscape.

When planting in containers, don’t forget to cover the drain holes. Next, fill with soil mixture, and firm soil around plants, leaving at least 1 inch at the top for watering. Remember, your plants need regular watering and feeding with a liquid fertilizer. Don’t forget to remove faded flowers and leaves.

Have you ever planted flowers in window boxes or pots? Amazon has some beautiful window boxes for any budget!

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This post contains affiliate links. If you click the link and make a purchase, I’ll earn a tiny bit of cash at no extra cost for you. 


Robin rue June 12, 2017 - 6:41 am

I think window boxes are SO pretty! I don’t have them on my house because we have shrubbery that comes all the way up to the bottom of our shutters, but I would love to cut them down one of these days and get some window boxes.

Christy Maurer June 12, 2017 - 7:35 am

My entire house is in the sun almost all day! I have only had luck with petunias and things like lamb’s ear and hostas in the ground. I may have to do some research on sun loving plants for a window box out front. I’ll bet my son would like trying to build some for me. I always love flowers that spill over window boxes!

Sarah Honey June 12, 2017 - 9:05 am

So pretty! I love flower boxes! I just planted in flower pots this year!

Sarah Bailey June 12, 2017 - 9:36 am

I’ve not managed to get up a my flower baskets this year, I had quite a few last year and it was lovely – I really must try and do that ASAP this has given me some awesome ideas.

Danik June 12, 2017 - 11:31 am

Now I just moved into my new property, its time to sort out my back yard and flower boxes will be a great idea to brighten up the place. I love the summer months

Pam Wattenbarger June 12, 2017 - 2:21 pm

I have always wanted window boxes. If I get my way, I will definitely be referring back to this post to figure out how to fill them properly.

Angelic Sinova June 12, 2017 - 2:35 pm

I am obsessed with Flower Filled Window Boxes! I think they add such charm and beauty to the window/house. I definitely plan on adding a few flower filled window boxes to my house this summer.

Amber Myers June 12, 2017 - 3:56 pm

These are so gorgeous! I wish I could grow stuff, but I have a black thumb.

Jenn @ Engineermommy June 12, 2017 - 5:51 pm

Wow, I had no idea there was a method to filling flower boxes. But it does make sense. These boxes look incredibly thick and rich!

Bella June 12, 2017 - 6:28 pm

I haven’t done much with my garden this year but planters would be a good place to start. These are some great pointers to get things looking brighter out front.

My Teen Guide June 12, 2017 - 10:18 pm

I love window boxes filled with pretty flowers. I have always dreamed of living in a country style home, out in the suburbs where I would have lots of yard space and pretty flowers growing on my window sills. Dream dream dream.

Maurene Cab June 12, 2017 - 10:35 pm

I know my window looks nothing but ordinary. I really should add some life to it like what you did.

Debra June 12, 2017 - 11:03 pm

I won’t lie, my window boxes were driving me crazy. I couldn’t keep them full, so now they are half fake flowers. ??

Mimi Green June 13, 2017 - 7:34 am

I love colorful flower boxes. They can really spruce up your property. I’ve never had any. My windows on my townhouse are really high up and our HOA doesn’t permit them.

Rose Cottrill June 13, 2017 - 1:17 pm

I haven’t done it but I would love to try to showcase our new windows in. Thanks for the tips.

Paula Bendfeldt June 14, 2017 - 11:56 am

I love window boxes filled with flowers, however I kill everything I plant so I would need to get hubby involved to keep them alive. 🙂

Claudia Krusch June 14, 2017 - 10:14 pm

I would love to add some window boxes to my house. These all look fantastic. It is a great way to add some color.

Nikka Shae June 16, 2017 - 2:40 pm

This would be a grate summer project for me!! I love how your flower window looks.

Garf June 17, 2017 - 11:55 am

Wow. I love flowers. Unfortunately this year I haven’t been able to take care of the ones that I have outside. Lots of crazy things happening. Hopefully next year everything will be OK.


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