How to Grow Sweet Peas

Updated on May 15, 2017
Sweet pea flowers
Sweet pea flowers | Source

If you want to know how to grow sweet peas, whose delicate and profuse colourful flowers can fill the garden with the most delicious scent, then I hope to bring you a tip or two to assist you to grow the most wonderful garden display of flowers that excel as cut flowers for the house.

No other garden hardy annual is grown by both amateur and professionals alike as much as the sweet pea. Sometimes called the prince of hardy annuals, they are grown for both garden and home, and by professionals for exhibitions and public displays of excellence.

Often thought of as old-fashioned cottage garden plants, sweet peas evoke memories of summer, and sunshine, and of a garden filled with fragrance and honey bees.

They are among the easiest of all garden flowers to grow, and the little work involved in planting their seeds and preparing a trellis support for them is repaid a thousand-fold in the scent and enjoyment you will receive from them.

They are also excellent for growing a living screen, to offer summer privacy or to separate the vegetable garden from the flower garden.

colorful and highly scented sweet peas
colorful and highly scented sweet peas

How to Grow Sweet Peas in the Garden for Pleasure

  1. Choose a sunny spot in your garden and prepare the ground well by digging it in the autumn and incorporating dung or a compound fertilizer to ensure the soil is enriched.
  2. In the spring, rake over the surface to remove any weeds.
  3. Sow your sweet pea seeds in double drills, about 10” apart, 1” deep with each seed planted 2” or 3” apart.
  4. Leave a space of at least four feet between pairs of drills.
  5. Plant the seeds in March or April, water in well, and leave well alone.
  6. Stake them as they grow, with either brushy hazel branches or a trellis or chicken wire support.
  7. Weed as necessary.

This will give you delicious blooms all summer long that can be cut for the house, or left in place to be enjoyed by all who visit your garden or yard.

Sweet peas keep blooming so long as you dead-head the flowers to stop them going to seed.

showy sweet peas
showy sweet peas | Source

How to Grow Sweet Peas for Exhibitions

The professional grower takes much more care of his seedlings when growing exhibition-grade sweet pea blooms.

  • In early October, fill several small pots with top-grade seed compost, and plant 2 or 3 seeds in each pot.
  • Water well and place the pots in a garden cold frame to germinate and grow.
  • Water as required.
  • At the end of the year, the plants should have grown a few inches, and the growing tip should now be nipped off, taking the plant back to 3” in height.
  • Several side shoots growths will be made, and all but one should be removed.
  • The plant is now allowed to grow with one side tip, and any others that start to grow should be removed as soon as they are noticed.
  • The ground where the sweet peas are to be grown is dug deeply, with dung, bone meal and wood ash incorporated.
  • A top dressing of sulphate of potash is added.
  • The seedlings are removed from their protective cold frame and hardened off, ready to plant out at the end of March, start of April, as soon as the soil has warmed a little.
  • From each pot of 2 or 3 seedlings, only the biggest and strongest looking is chosen, and each plant is planted out at least 9” apart, and provided with a 7 foot cane on which to support their future growth.
  • Each sweet pea is kept to a single stem, and they are each trained to grow up their own cane.
  • All side shoots, flowers and tendrils are removed.
  • Once the plant reaches 3 feet high, or a few weeks before the first scheduled professional (or amateur) show, flowers may be allowed to start developing.
  • Because the plant has not been allowed to expend any energy growing tendrils, side shoots, or even flowers up until this stage, all of its energies will be put into producing the most magnificent blooms.
  • Exhibition sweet peas are fed throughout the growing season, starting in May with generous proportions of dried blood, liquid manure and compound fertilisers added at reasonable intervals.
  • The expert grower watches his plants very carefully, and can quickly correct deficiencies or over-feeding symptoms as the plants grow.

The end result is each plant carrying 4 to 6 wonderful, show-stopping blooms on 12” stems.

Sweet peas can also be started off inside a heated greenhouse in January, for show or simply for garden use the following summer.

Questions & Answers

    Comments

      0 of 8192 characters used
      Post Comment

      • GardenExpert999 profile imageAUTHOR

        GardenExpert999 

        4 years ago from Scotland

        I prefer growing them up chicken wire fencing, which I have in the garden already. It's just easier than using canes or whatever!

      • The Dirt Farmer profile image

        Jill Spencer 

        4 years ago from United States

        Grew these last year and am looking forward to growing this year. Which staking do you like best?

      • GardenExpert999 profile imageAUTHOR

        GardenExpert999 

        5 years ago from Scotland

        What a super idea, and a great way to use up those empty loo tolls!

      • profile image

        ray from the allotment 

        5 years ago

        started mine off already in used toilet rolls - works well for me - when its time to plant just put the whole roll in the soil

      • savingkathy profile image

        Kathy Sima 

        6 years ago from Ontario, Canada

        Oh yes, I do remember they smelled lovely. I look forward to smelling their wonderful fragrance again sometime.

      • GardenExpert999 profile imageAUTHOR

        GardenExpert999 

        6 years ago from Scotland

        The wonderful thing about sweet peas is their scent. You have probably forgotten it, but when you grow them you will be reminded!

      • savingkathy profile image

        Kathy Sima 

        6 years ago from Ontario, Canada

        My grandmother used to grow sweet peas on the farm, and I remember how pretty they looked both in the garden and in a vase on her kitchen table. I should try growing some myself. Thanks for sharing your growing tips!

      • GardenExpert999 profile imageAUTHOR

        GardenExpert999 

        6 years ago from Scotland

        I just planted mine out for this year, yesterday. It is a good idea to soak the seeds overnight before you plant them.

      • debbiepinkston profile image

        Debbie Pinkston 

        6 years ago from Pereira, Colombia and NW Arkansas

        I'm looking forward to growing sweet peas now!

      • moonlake profile image

        moonlake 

        6 years ago from America

        I love sweet peas they smell so good. I want to get them to grow up my bottle tree with morning glories. Nice hub good information. Voted Up.

      • GardenExpert999 profile imageAUTHOR

        GardenExpert999 

        6 years ago from Scotland

        Cut sweet pea flowers last for ages in water in a vase, and their scent is simply wonderful and long-lasting, both indoors and out. You are going to love them :) Thanks for reading!

      • sgbrown profile image

        Sheila Brown 

        6 years ago from Southern Oklahoma

        I have never grown sweet peas, but after reading this hub, I am going to have to try! They look so beautiful and I love to plant fragrant flowers. Voted up, useful and sharing on my blog. Have a beautiful day! :)

      working

      This website uses cookies

      As a user in the EEA, your approval is needed on a few things. To provide a better website experience, dengarden.com uses cookies (and other similar technologies) and may collect, process, and share personal data. Please choose which areas of our service you consent to our doing so.

      For more information on managing or withdrawing consents and how we handle data, visit our Privacy Policy at: https://dengarden.com/privacy-policy#gdpr

      Show Details
      Necessary
      HubPages Device IDThis is used to identify particular browsers or devices when the access the service, and is used for security reasons.
      LoginThis is necessary to sign in to the HubPages Service.
      Google RecaptchaThis is used to prevent bots and spam. (Privacy Policy)
      AkismetThis is used to detect comment spam. (Privacy Policy)
      HubPages Google AnalyticsThis is used to provide data on traffic to our website, all personally identifyable data is anonymized. (Privacy Policy)
      HubPages Traffic PixelThis is used to collect data on traffic to articles and other pages on our site. Unless you are signed in to a HubPages account, all personally identifiable information is anonymized.
      Amazon Web ServicesThis is a cloud services platform that we used to host our service. (Privacy Policy)
      CloudflareThis is a cloud CDN service that we use to efficiently deliver files required for our service to operate such as javascript, cascading style sheets, images, and videos. (Privacy Policy)
      Google Hosted LibrariesJavascript software libraries such as jQuery are loaded at endpoints on the googleapis.com or gstatic.com domains, for performance and efficiency reasons. (Privacy Policy)
      Features
      Google Custom SearchThis is feature allows you to search the site. (Privacy Policy)
      Google MapsSome articles have Google Maps embedded in them. (Privacy Policy)
      Google ChartsThis is used to display charts and graphs on articles and the author center. (Privacy Policy)
      Google AdSense Host APIThis service allows you to sign up for or associate a Google AdSense account with HubPages, so that you can earn money from ads on your articles. No data is shared unless you engage with this feature. (Privacy Policy)
      Google YouTubeSome articles have YouTube videos embedded in them. (Privacy Policy)
      VimeoSome articles have Vimeo videos embedded in them. (Privacy Policy)
      PaypalThis is used for a registered author who enrolls in the HubPages Earnings program and requests to be paid via PayPal. No data is shared with Paypal unless you engage with this feature. (Privacy Policy)
      Facebook LoginYou can use this to streamline signing up for, or signing in to your Hubpages account. No data is shared with Facebook unless you engage with this feature. (Privacy Policy)
      MavenThis supports the Maven widget and search functionality. (Privacy Policy)
      Marketing
      Google AdSenseThis is an ad network. (Privacy Policy)
      Google DoubleClickGoogle provides ad serving technology and runs an ad network. (Privacy Policy)
      Index ExchangeThis is an ad network. (Privacy Policy)
      SovrnThis is an ad network. (Privacy Policy)
      Facebook AdsThis is an ad network. (Privacy Policy)
      Amazon Unified Ad MarketplaceThis is an ad network. (Privacy Policy)
      AppNexusThis is an ad network. (Privacy Policy)
      OpenxThis is an ad network. (Privacy Policy)
      Rubicon ProjectThis is an ad network. (Privacy Policy)
      TripleLiftThis is an ad network. (Privacy Policy)
      Say MediaWe partner with Say Media to deliver ad campaigns on our sites. (Privacy Policy)
      Remarketing PixelsWe may use remarketing pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to advertise the HubPages Service to people that have visited our sites.
      Conversion Tracking PixelsWe may use conversion tracking pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to identify when an advertisement has successfully resulted in the desired action, such as signing up for the HubPages Service or publishing an article on the HubPages Service.
      Statistics
      Author Google AnalyticsThis is used to provide traffic data and reports to the authors of articles on the HubPages Service. (Privacy Policy)
      ComscoreComScore is a media measurement and analytics company providing marketing data and analytics to enterprises, media and advertising agencies, and publishers. Non-consent will result in ComScore only processing obfuscated personal data. (Privacy Policy)
      Amazon Tracking PixelSome articles display amazon products as part of the Amazon Affiliate program, this pixel provides traffic statistics for those products (Privacy Policy)