Tips for Growing Forsythia Bushes

Nothing screams spring in your garden quite like Forsythia. With their vibrant yellow color, these perennials are one of the first bushes to flower in the spring. The shrub is very hardy, and relatively easy to grow.  These tips for growing forsythia bushes will make sure that your garden is a delight to behold in early spring.Growing Forsythia bushes is one of the best ways to get a really early show of flowers in your yard in spring.

Forsythia bushes add a dramatic look to your front yard in early spring.  At just about the same time that the daffodils are in bloom, a well cared for forsythia bush will also have a wonderful display of flowers going, too.

Mr. Gardening Cook is fond of bringing me free things for my garden.  One winter, he came home with about a dozen hellebore plants that he was given. They flower in the winter and give me so much pleasure. 

The forsythia bushes that line one of my garden beds in the back yard came to us in the same way – for free.  Richard was talking to our neighbor who had just dug up a HUGE Forsythia bush from his yard in order to grow roses.  “What do you plan to do with it, he asked?”  

Once he found out that the plant was destined for the trash heap, he got out his ax and “divided” it into 7 forsythia bushes for me. This is the way they look now, just a couple of years later. Can we say magnificent? I have my breakfast on the deck every morning, and get to enjoy this amazing display of spring.

Forsythia bushes along a fence line

Tips for Growing Forsythia Bushes.

Sunlight – Forsythia does best in a sunny spot.  Mine are in my back yard and get 6-8 hours of direct sunlight a day. They will grow in a slightly shadier spot but direct sun is best.  My row of forsythias get some shade from the neighbor’s trees in the late afternoon, but that is about it.Plant forsythia in a sunny spot.

Watering – Once established, forsythia bushes do not need much watering, unless you have a REALLY long stretch of dry hot weather.  I have had many summers with 100 degree days for several days in a row and my bushes still did not need watering. Mulching is the key to this since it helps the soil to retain the moisture tht the ground does get.

Soil – Grow forsythia in well draining soil.  If your soil is very wet, or marshy, they will not grow well.  A good helping of organic matter such as compost is always a help to them. Mulch around the plants to keep the moisture in the soil and to keep the weeds away.

Flowers and Leaf Formation

Flowers – The flowers of a forsythia plant appear on the stems before the leaves do in the spring.  Before you know it, the whole plant will be covered in yellow blooms and there will not be a leaf in sight!Forsythia flower budsThey generally appear as single petals along the stem but some of mine also have larger clusters of flowers that are very pretty. This usually happens on an area of the branch that has been pruned, or lopped accidentally.

Cluster of forsythia petals

Leaves – The flowers will bloom for several weeks and then the leaves will start to grow.  They appear here and there at first and then cover the whole stem as the flowers start to drop off. Once the flowers have dropped, the plant will not bloom again until the following spring.Forsythia leaves starting to grow.

About mid way through the flowering cycle, you will have a combination of both leaves and green tips growing at the same time.Forsythia leaves

Fertilizing and Pruning Tips

Fertilizing – If you fertilize, use a balanced formula designed for flowering shrubs and tree in the spring and summer.  Don’t use fertilizer in the fall and winter, since the plant is dormant then. Wait until after flowering to fertilize.

Pruning – Forsythia is best pruned in the early spring right after the blooms have faded. If you wait until the fall to do the job, you will reduce the number of flowers that you will get the following spring. Forsythia blooms on old wood and they set their flower buds soon after the new growth appears each year. Forsythia has a natural arching habit, so the best pruning allows for this growth pattern. (Unless you plan to use it as a hedge, then you can just chop away!)

To prune a mature forsythia shrub, cut about 1/4 of the oldest and thickest branches, very close to the ground.  If you try to tame it by cutting some of the longer, new branches, they will fork with new growth and you’ll end up in an unruly looking shrub.mature forsythia bush

If you have a very overgrown and older forsythia like the one above, the pruning can be quite brutal. Just chop the whole shrub about 4 inches from the ground, and in about 2 years, you’ll have a new shrub. 

Get more Forsythia plants for free.

Propagation – Forsythia bushes are grown from cuttings.  The best cuttings are those from new growth, since they will root most easily.  Just place the end into moist soil and keep it evenly moist until the stem roots. This takes a few weeks. Another way to get new plants, is to lower a branch down to the ground and hold it in place with an arched piece of metal.  The part of the plant that touches the soil will root in a few weeks!  Transplanting forsythia seedlings is best done in the winter when the plant is dormant.Forsythia rootingThe plant below had a branch that touched the ground naturally and it rooted without being pinned down. Once it was established, I moved it to another garden bed and I have a small shrub growing this year.Forsythia seedling

Forsythia can be grown into a hedge.

Growing Forsythia as hedges.  Forsythia can be grown as a hedge but you may remove much of its flowering potential, especially if you prune it through out the year.  So prune early to shape the hedge, and not too much during the year, if you can.Forsythia hedgeForcing Indoor blooms – Want to get a read head start on spring?  Try forcing forsythia indoors.  It is really easy to do.  Just cut off a few branches and bring them indoors. Hammer the base of the branches, or cut into them, to open them up a bit and place them in a vase of water. In a couple of weeks, the branches will burst into bright yellow blooms, right in the dead of winter!Forcing forsythia indoors

Forsythia is sure to put a smile on the face of any gardener. It is one of the first signs that spring has finally arrived and is a delight to have in your garden.  By following these easy tips for growing forsythia, you, too, can have an amazing display of spring in your garden.


Disclosure of Material Connection: Some of the links in the post above are "affiliate links." This means if you click on the link and purchase the item, I will receive a small commission from the sale, but the price is the same for you. I am disclosing this in accordance with the Federal Trade Commission's 16 CFR, Part 255: "Guides Concerning the Use of Endorsements and Testimonials in Advertising."

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