Ireland
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Hypericum perforatum

St. John's Wort

Zlatožlutá záplava květů třezalky tečkované neodmyslitelně patří k českému létu a venkovské krajině. Tato nenáročná trvalka přirozeně obývá slunné stráně, meze a sušší louky, což z ní činí ideálního kandidáta pro zahrady s minimálními nároky na zálivku a péči. Dorůstá výšky až 70 cm a vytváří vzpřímené, bohatě větvené trsy, které jsou v plném létě doslova obsypané drobnými, zářivými kvítky s nápadnými tyčinkami. Je výbornou volbou pro začínající pěstitele, kterým odpustí i chudší a propustnou půdu na plném slunci či v polostínu. Kromě své okrasné hodnoty je třezalka významnou medonosnou rostlinou, která do zahrady přiláká užitečné opylovače. Uplatní se skvěle i ve floristice, čerstvá ve váze vydrží dělat radost několik dní, ale ještě častěji se suší do zimních dekorací a léčivých čajových směsí.  Show full description

Seedling

Květináč K9 (9×9×9,5 cm)
1-2 kusy
2,99/ks
3-8 kusů
2,69/ks
9-17 kusů
2,39/ks
18+ kusů
2,09/ks

Doskladníme ve 27. týdnu 2026.

Doskladníme ve 27. týdnu 2026.

Skladem 0 ks
Připravujeme 250 ks

Attracts pollinators 🐝

Ano

Difficulty

Beginner

Diseases

Disease-free 🙂

Edible

Ano
?
Information on whether the plant is edible.

Flower color

Yellow

Flower color: Shade

Golden

Foliage color

Green

Fragrant (aromatic) 👃

Ano

Frost resistance

-30
?
The temperature down to which the plant is frost hardy.

Hardiness zone

4a (-34.4 °C to -31.7 °C)

Height

30-70 cm

Moisture

💧💧

Pests

Pest-free 🙂

Position

Sun, partial shade

Soil

Loamy, poor, well-drained

Spacing

30-40 cm
?
Recommended planting spacing.

Spacing: Plants per m²

6-9

Species

Perennial

Suitable for cutting

Ano

Suitable for drying

Ano
1
2
3
4
5
6
7
8
9
10
11
12
Flowering
June
½ September

Cultivation

Třezalka tečkovaná je ideální volbou pro každého zahradníka, který hledá nenáročnou a odolnou trvalku se zářivými květy. Jelikož obdržíte již vzrostlou sazenici, odpadá složité předpěstování a rostlinu můžete vysadit na trvalé stanoviště prakticky kdykoliv během vegetační sezóny, pokud nemrzne. Pro výsadbu zvolte slunné místo, kde se rostlině bude dařit nejlépe a nejbohatěji pokvete, ačkoliv snese i mírný polostín. Půda by měla být především dobře propustná, hlinitá až písčitá; třezalka si totiž poradí i s chudší zeminou, ale nesnáší přemokření, které by mohlo vést k uhnívání kořenů. Při výsadbě dodržujte spon přibližně 30–40 cm (cca 6 až 9 rostlin na m²), aby měly jednotlivé trsy dostatek prostoru pro cirkulaci vzduchu a rozrůstání.

Pokud jde o péči během roku, je tato bylinka velmi skromná. Zálivku vyžaduje pouze po výsadbě pro dobré zakořenění a následně jen v obdobích dlouhotrvajícího sucha. Díky své odolnosti je označována vláhovým stupněm 💧💧, což značí střední až nižší nároky. Hnojení není na běžných zahradních půdách nutné, přemíra živin by mohla být spíše na škodu a vést k bujnému růstu listů na úkor květů. Velkou výhodou třezalky je její zdravotní stav – netrpí na choroby ani škůdce, takže se obejdete bez chemických postřiků. Rostlina se navíc snadno přesévá, takže pokud nechcete, aby se samovolně šířila po zahradě, je vhodné odkvetlá květenství včas odstranit.

Na jaře, ideálně v březnu nebo dubnu, doporučujeme provést zpětný řez. Odstraňte všechny suché a poškozené části z loňského roku a nebojte se rostlinu sestřihnout hlouběji nad zemí. Tento zákrok podpoří tvorbu nových, vitálních výhonů, zahustí trs a zajistí bohatší násadu květů pro nadcházející léto. Třezalka je plně mrazuvzdorná (zóna 4a, až do -34 °C), takže nevyžaduje žádnou speciální zimní ochranu v podobě chvojí či mulče, a to ani v chladnějších oblastech republiky. Je to dlouhověká trvalka, která vás bude těšit mnoho let.

Zákazníci se často ptají na možnost pěstování v nádobách. Třezalku lze bez problémů pěstovat i ve větším květináči nebo truhlíku na balkoně či terase. Zásadní je však zajistit dokonalou drenáž – na dno nádoby nasypte vrstvu keramzitu nebo štěrku a použijte lehký, propustný substrát smíchaný s pískem. V nádobě substrát vysychá rychleji než ve volné půdě, proto bude rostlina vyžadovat častější kontrolu zálivky, ale stále platí pravidlo nepřelévat. Zatímco v záhonu mráz zvládá skvěle, v nádobě je kořenový systém náchylnější k promrznutí, proto doporučujeme květináč na zimu obalit jutou nebo polystyrenem a postavit jej na chráněné místo.

The information given is based on our experience, please use it as a guide only. Times may vary depending on the season, climate, location, sowing and transplanting dates and possibly also the conditions in the greenhouse/greenhouse. We always recommend testing how the plant performs in your conditions. Please do not take this as a guarantee.

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