Speedy Sonnet White Snapdragon (Antirrhinum majus 'Speedy Sonnet White')
an-ter-REE-num MAY-jus 'Speedy Sonnet White'

Annual (usually grown as an annual near you) in the Plantaginaceae Family

Antirrhinum majus 'Speedy Sonnet White' is part of the Speedy Sonnet series, a taller, quick-flowering snapdragon bred for cut-flower use and early-season bloom. Plants reach about 18 inches tall, with flower spikes extending to 24 inches -- taller and more upright than intermediate series like Snaptastic. Though snapdragons are tender perennials in mild climates (USDA zones 7-10), 'Speedy Sonnet White' is grown as a cool-season annual bedding and cut-flower plant in the Chicago area.

Pros

  • Tall, sturdy spikes -- excellent for cutting
  • Bred to flower earlier than many other snapdragon series
  • Reblooms well after cutting or deadheading
  • Deer-resistant

Cons

  • Grown as a cool-season annual in most climates -- won't survive Chicago winters
  • Tall habit typically needs staking or support, especially in cutting gardens
  • Susceptible to rust and other fungal diseases in humid conditions
This plant is probably not winter-hardy outdoors where you live.
Highlights Bred for speed and height, Speedy Sonnet White flowers earlier and taller than many bedding snapdragons, producing long, straight spikes well suited to cutting. Its pure white blooms pair easily with nearly any color scheme.
 

Plant Data

Mature Size 18 - 24 inches tall. 12 inches wide.
Sun Exposure Full Sun - Full Sun
Moisture Tolerance Medium
Zones 7a - 10b (Usually hardy to 0° F)
Tags Annual, Deciduous, Deer Resistant, Full Sun, Good for Spring Containers, Medium
Bloom Period Mid-spring to fall
Flower Color White
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Pricing and Availability History

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Past Availability
2025 : 02/05 - 04/05
2024 : 02/08 - 04/06
2023 : 03/29 - 05/07

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Field-Grown vs. Greenhouse-Grown Plants

Plants which are well-adapted to our local climate are most often field-grown (outside). Field-grown plants are generally cheaper and have the advantage of already somewhat acclimated to our cold winters, but that means they’re not artificially far along in the spring and tend to bloom at the normal time in our area.

Spring annuals and tender perennials are typically grown in Greenhouses so they can be ready and luxurious exactly when customers want them. Some perennials are also “forced” into early bloom in greenhouses. In May, there can be a very big difference between field-grown and greenhouse-grown plants of the same type. The latter typically look good right away (so they’re a great choice where that’s important), but we typically pay a premium for it.


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No Pricing or Availability Right Now

We order from a rotating cast of the best nurseries in the Great Lakes region. It looks like we've offered this plant in the past, but the nurseries we're working with this week don't appear to have it in stock at the moment.

Our goal is to bring as many plants together under "one roof" as possible, so we'll try hard to make it available again in the future!