Organic Swiss Chard 'Cardinal' Seeds
- Regular price
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$6.00 - Regular price
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- Sale price
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$6.00
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Grow your own colorful and nutritious swiss chard with our organic swiss chard 'Cardinal' seeds. Enjoy fresh, chemical-free greens straight from your garden.
Instructions:
We recommend using the following to sow the seeds:
The more light, the more colorful the stems will be. When harvesting the leaves, cut at the base of the stem so the plant can produce more leaves. The leaves are best harvested before they get too big to give the best flavor(don't allow them to get over 12"). They are great in salads or cooked.
(Find more info on germinating seeds by going to our seed guide)
These seeds are for the 2025 growing season.
About the seeds:
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difficulty |
beginner | intermediate | advanced |
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germination time |
5-14 days |
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depth |
1/2” |
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spacing |
2" - 3" apart or or sow 1-2 seeds per soil pod or nursery pot, thin to 12" apart |
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recommended planter |
>6" planter |
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time to maturity |
45 days to baby leaves, 75 days to mature leaves |
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seed prep |
pre-soak | scarification | stratification | none |
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method |
greenhouse | paper towel method |
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temperature |
60F - 80F |
About the Plants:
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description |
upright leafy growth with bright red stems |
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difficulty |
beginner | intermediate | advanced |
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growth speed |
slow | medium | fast |
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size of plant |
12” |
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light |
full sun | partial sun | shade | grow lights |
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soil |
coconut coir/peat-based potting mix, pH 6.0-6.4 |
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temperature |
warm | cool |
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pet-friendly |
cats | dogs | no |
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pests |
aphids, slugs, caterpillars |
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fertilization |
heavy | moderate | light |
when you order with us:
FAQs
how difficult are these seeds to grow?
Houseplant seeds are generally trickier to grow than your more common garden seed varieties- they require a specific setup and more time to sprout. You can find the difficulty for each seed variety specified under the "about the seeds" tab on each product page.
We definitely recommend following the setups outlined in our seed guide here, and you can find further details in our blog!
how long does it take for the seeds to germinate?
Houseplant seeds take longer than most seeds to germinate, the average time for germination is 2-3 weeks. If you're curious about the sprouting time for a specific seed variety, you can find that information in the "about the seeds" tab on each product page.
how do I grow houseplant seeds?
All of our orders come with a basic starter guide for you to follow, but our seed guide here goes in much more detail and also offers alternative seed starter methods.
We also include additional planting tips specific to each seed variety under the "instructions" tab of each product page. If you need extra help, don't hesitate to reach out to us at hello@plantflix.com!
my seeds aren't germinating, what do I do?
Houseplant seeds are tricky, and sometimes certain more difficult varieties can take some practice to finally get them to sprout!
If you're having trouble with the seeds, you're not alone. Luckily there are ways to sometimes salvage seeds by adjusting the setup- this quiz can help diagnose any issues you may have with your setup and make suggestions for how to improve it.
You can also email us at hello@plantflix.com and we can help out! If the seeds still aren't germinating, we'll send out a replacement :)