Bloom TimeLate spring to early summer
Soil RequirementWell drained
We'll carefully pack and ship your order at the proper planting time for your hardiness zone.How many plants do I need?
- Botanical NameAllium 'Ostara'
- Hardiness Zone3-8
- Flowering TimeLate spring to early summer
- Light RequirementsFull Sun
- Flower ColorReddish dark purple
- Flower Form4-6" ball-shaped clusters head of little bells
- Foliage TypeBlue-green, linear or broadly ovate.
- Growth RateMedium
- Height/Habit16 inches
- Spread9 - 12 inches
- Planting Instructions6" deep and 9-12" apart.
- Soil RequirementsWell drained
- Will TolerateAcidic Soil, Clay Soil, Loamy Soil, Sandy Soil
- PruningNone, let foliage die back naturally to store up energy to produce next year's blooms.
Growing Tips for Ostara Allium
Questions & Answers
Upon placing your order you will receive an email confirmation with the details of your order and a shipping estimate. You will also receive an email notification when your order actually ships with an updated arrival estimate. If you have ordered multiple items, you may receive them in more than one shipment. We will send you a separate email confirming each shipment.
At any time after you place your order you can check your order status on our website using your email or the account number found in your order confirmation email.
The type of product you order or the weather in our area or your area may affect the anticipated shipping schedule below.
Based on the contents of your order we always strive to ship your order complete, and as early as possible in the planting season to allow for the best root development once planted.
To promote optimum stress protection in transit and your success in the garden, bareroot perennials are kept in the ground in our nurseries until fully dormant. In the Fall these plants tend to arrive at the later end of the shipping window above.
In all cases, we choose the fastest, most efficient way to delivery your orders via the USPS or FedEx based on your hardiness zone.. Large orders may be shipped in more than one package.
Bulb and perennial shipments direct from Holland are harvested in July and August dependent on the season and crop. Once fully inspected and packaged they are shipped direct to you in the most efficient manner to follow the dates above.
Garden hardgoods and Gift Certificates ship with in 4-7 day.
We will pack and ship your order based on the following schedule.
Please note that we cannot ship outside the 48 contiguous states.
FALL Shipping Schedule
Zones Shipping Dates 3AB - 7AB 9/19/22 - 11/25/22 8AB - 10AB 9/19/22 - 11/25/22 Last Order Date 11/21/22
Zones Shipping Dates 3 - 6 9/5/22 - 10/28/22 7 - 10 9/26/22 - 11/11/22 Last Order Date 11/7/2022
5" Potted Roses
Zones Shipping Dates 1AB - 10B 8/17/21 - 9/18/21 Last Order Date 9/14/2021
Hedges and Shrubs
Zones Shipping Dates Last Order Date 3 - 7 10/3/22 - 11/4/22 10/31/22 8 - 10 10/3/22 - 11/18/22 11/14/22
Zones Shipping Dates Last Order Date 3AB - 6AB 7/11/22 - 10/21/22 10/17/2022 7AB - 10AB 7/11/22 - 11/4/22 10/31/22
Shipping & Handling Charges
Total Order Add Up to $40.00 order $9.95 $40.01 to $60.00 $12.95 $60.01 to $80.00 $14.95 $80.01 to $100.00 $16.95 $100.01 to over $18.95
See our shipping information page for approximate ship dates and more detailed information. If you have any questions, please call Customer Service at (513) 354-1512 or contact us at email@example.com.
Planting Video: Step by Step
Hardy Bulbs Hyacinth