North Shore Plant Club
Summerlong Lemon Mexican Giant Hyssop (Agastache 'Balsumlem' SUMMERLONG LEMON)
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| Deciduous Perennial (usually grown as an annual near you) Clumping, erect in the Lamiaceae Family | |
A compact Ball Horticultural introduction with gently fragrant foliage and bright yellow flower spikes from late spring into fall; hardy only to Zone 7a, so it's grown as an annual in Chicago. |
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| Summerlong Lemon is a Ball Horticultural (Darwin Perennials) introduction, patented as 'Balsumlem,' with bright yellow, trumpet-shaped flower spikes held above fine, gently fragrant green foliage. It forms a compact, mounded clump and blooms from late spring through summer, extending into fall with deadheading, and draws bees and hummingbirds. Though sold as a perennial, it is only reliably winter-hardy to Zone 7a, so it is best grown as an annual in colder climates like the Chicago area. | |
Pros
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Cons
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Plant Data | |
| Mature Size | 16 - 22 inches tall. 16 - 22 inches wide. |
| Growth Rate | Medium |
| Sun Exposure | Full Sun - Full Sun |
| Moisture Tolerance | Dry - Medium |
| Zones | 7a - 10b (Usually hardy to 0° F) |
| Tags | Annual in Chicago, Attracts Bees, Attracts Beneficial Insects, Attracts Butterflies, Attracts Hummingbirds, Attracts Pollinators, Container, Deciduous, Deer Resistant, Drought Tolerant, Dry, Fall interest, Fragrant, Fragrant Foliage, Full Sun, Good for Borders, Good for Mass Planting, Grown as Annuals, Medium, Mounded, Perennial, Tender Perennial, Well-Drained Soil |
| Bloom Period | Late Spring to Early Fall |
| Flower Color | Bright Yellow |
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Pricing and Availability HistoryClick a label to toggle visibility for that size
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Past Availability2024 : 06/12 - 07/20 |
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We try very hard to source exactly what you’d like, but sometimes growers run out of plants! While this variety is a great deal at the price shown, we know that it has limited availability. If you want the plant even if it might be more expensive, or in a different size or quantity -- after you place your order, just send us a quick note at help@northshoreplantclub.com. Then, we’ll try to get you some version of this from one of our growers. And if we can’t get it from anywhere, of course, we’ll send a refund!
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.
The cost of this recipe's ingredients will vary depending on the season and the sizes and varieties you select.
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Membership is free, but — since we rely on delivery and local pick-up — you have to live near one of our hubs (or be willing to drive to a site to pick them up). If you live farther away, and would like to help us bring the club to your neighbors, please email helpusgrow@northshoreplantclub.com.
To secure the best prices for club members and make sure we know the current plants available from each nursery, we take orders only a couple of times a month.
Shoot us an email at help@northshoreplantclub.com, and we'll be happy to talk about plants or let you know when it's time to buy them!
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!